Draft RFP - Mars Telecommunications Network (MTN)

Solicitation / RFP / RFQ

This document is a Draft Request for Proposal (DRFP) for the Mars Telecommunications Network (MTN). The purpose is to solicit comments from potential offerors on the draft solicitation for a requirement to provide design, development, integration, launch, and on-orbit continuous communications to support Mars sample return and future Mars exploration missions. The MTN is intended to support autonomous operations, onboard processing, and extended mission duration.

• The contract will include a Core Requirement for the Delivery of the MTN.

• Optional Requirements include Launch Services, Integration, On-Orbit Commissioning, and five (5) years of Mission Operations.

• Time and Materials (T&M) task orders may be issued for studies related to MTN capabilities or future enhancements.

• Offerors must develop and submit a Performance Work Statement (PWS) as part of Volume II, Technical Proposal, demonstrating understanding of MTN requirements and objectives.

• Offerors must briefly describe the work small businesses will perform and identify any "High Technology" subcontracted work.

• Offerors must provide past performance information.

• The acquisition will be a full and open competition.

• The contract type will be Firm-fixed Price with an Indefinite Delivery Indefinite Quantity (IDIQ) component.

• Potential offerors are encouraged to comment on all aspects of the DRFP, including requirements, schedules, proposal instructions, and evaluation approaches.

• Offerors should identify any unnecessary, burdensome, or inefficient requirements.

• Comments regarding the DRFP should be submitted electronically in writing within 10 calendar days after the release of the DRFP.

• Questions for the industry day should be submitted within 5 calendar days after the release of the DRFP.

• The anticipated release date for the Final Request for Proposal (RFP) is on or about May 1, 2026, with proposals due approximately 30 calendar days later.

• Offerors are encouraged to submit nonbinding information addressing their statutory eligibility with The Working Families Tax Cut (WFTC) Act.

• Information required includes documentation demonstrating US commercial provider status, NASA funding in FY2024/2025 for commercial design studies for Mars Sample Return, and proposal of a separately and independently launched Mars telecom orbiter.

• This DRFP is not a solicitation and does not commit NASA to pay proposal preparation costs or procure the requirement.

• NASA selected science payloads may be added in a subsequent update.

• The MTN Industry Day will be held on April 9, 2026.

• Offerors are required to disclose any intent to propose, or plan to use Artificial Intelligence (AI) during contract performance.

• All acquisition-related documents will be released in Adobe Portable Document Format (PDF) and available on SAM.gov.

• NASA FAR Supplement (NFS) clause 1852.215-84 OMBUDSMAN applies.

Solicitation / RFP / RFQ

This document is a solicitation (Solicitation Number: 80GSFC26R0011) for Mars Telecommunications Network (MTN) services. The solicitation details requirements for core services, special studies, transportation, integration, launch, mission operations, and potentially other related services.

• CLIN 1: CORE - Requirement for Mars Telecommunications Network (MTN) delivery, with a period of performance extending through 12/31/2028.

• CLIN 2: IDIQ - Indefinite Delivery/Indefinite Quantity (IDIQ) for Mars Telecommunications Network (MTN) support, specifically for Special Studies, with a Not-to-Exceed (NTE) value of $10M. The period of performance is from award through MTN delivery and upon exercise of CLIN 3, extending through commissioning.

• CLIN 3: Option 1 - Mars Telecommunications Network (MTN) transportation, integration with launch vehicle, launch, transit, and relay commissioning at Mars. Delivery is scheduled upon exercise of the option, through commissioning by 12/31/2030.

• CLIN 4: Option 1A - Mars Telecommunications Network (MTN) Mission Operations, with a period of performance starting after relay commissioning plus 12 months.

• CLIN 5-8: Options 2-5 - Mars Telecommunications Network (MTN) Mission Operations, each with a period of performance extending 12 months after the preceding option.

• Contract Type: Firm-Fixed-Price (FFP) with Indefinite Quantity and Indefinite Delivery (IDIQ) components for Time and Materials (T&M) Task Orders for Special Studies. The contract will also include a Schedule and Performance Incentive.

• Period of Performance: Varies by CLIN, with core requirements extending to 12/31/2028 and options extending further.

• Estimated Value: Not explicitly stated, but CLIN 2 has a NTE of $10M for Special Studies.

• Offer Due Date: April 10, 2026, at 2:00 PM ET.

• Evaluation Factors: Technical Proposal and Past Performance are significantly more important than Price. Technical Proposal is more important than Past Performance as an individual factor, and Price is less important than Past Performance.

• Proposal Submission: Offers must be submitted electronically and include specific volumes (Offer, Technical, Price, Past Performance) with defined page limitations.

• The acquisition is UNRESTRICTED.

• North American Industry Classification Standard (NAICS) code is 517410.

• The document includes numerous FAR and NFS clauses covering various aspects of the contract, including but not limited to: Scope of Work, Packaging and Marking, Inspection and Acceptance, Government Property, Limitations of Funds, Small Business Subcontracting, Evaluation Factors, and Proposal Preparation Instructions.

• Several attachments are referenced, including MTN Performance Work Statement (PWS), MTN Objectives and Requirements, IDIQ Fixed Price Labor Matrix, and Government Furnished Equipment (GFE) Listing.

Form / Attachment / Pricing Sheet

This document, "Attachment E - Draft IDIQ Fixed Price Labor Matrix," is a template to be submitted with proposals for the DRFP 80GSFC26R0011 opportunity. It is intended to capture labor rates for an Indefinite Delivery, Indefinite Quantity (IDIQ) Fixed Price contract.

• The matrix requires bidders to provide labor rates.
• It is specifically for an IDIQ Fixed Price contract.

Bidders must complete and submit this labor matrix as part of their proposal. It will likely be a key component in the pricing evaluation for the contract.

Form / Attachment / Pricing Sheet

This document, "Attachment J - Draft IT Security Management Plan," is an attachment to be submitted with a proposal for the DRFP 80GSFC26R0011 opportunity. It outlines the requirements for an IT Security Management Plan.

• The plan is to be submitted with the proposal.
• It pertains to IT security management.

Bidders must prepare and submit an IT Security Management Plan in accordance with the requirements detailed in this attachment as part of their proposal for the DRFP 80GSFC26R0011 contract.

Statement of Work (SOW) / Performance Work Statement (PWS)

This Performance Work Statement (PWS) defines the work to be performed by the Contractor for the Mars Telecommunications Network (MTN) project, which encompasses the design, development, integration, testing, delivery, launch operations support, and operational commissioning of a comprehensive Mars telecommunications and navigation relay system.

The PWS outlines mandatory work statements that must be included in the Contract PWS, either verbatim or by meeting the "intent of." Offerors are advised that these mandatory statements are provided at a minimal level and require additional detail to describe the proposed effort. The document details requirements across several key areas:

• Project Management: Includes deliverables such as Program Management Plan, Integrated Master Schedule, Risk Management Plan, and IT Security Management Plan. It also covers IT Purchase Authorization, Section 508 Conformance, Records Management, and the use of Artificial Intelligence (AI).

• Systems Engineering: Requires delivery and implementation of SE series deliverables, including System Requirements, System Specification, Interface Control Documents, Design Data Book, Assembly, Integration and Test (AI&T) Plan, and various test reports.

• Safety & Mission Assurance: Mandates provision of on-request access to relevant documents, notification of anomalies or test failures, adherence to workmanship processes, risk and hazard management, and supply chain risk management.

• Science/Technology: Requires documentation of technology development activities.

• Payloads: Requires description of supplemental payload interfaces.

• Spacecraft: Requires delivery and implementation of Communications (COM) series deliverables.

• Mission Operations: Requires description of extensibility and long-term system viability, and delivery of Mission Design (MD) and Flight Operations (FO) series deliverables.

• Launch Vehicle Services: Includes specifying launch vehicle capabilities, identifying and justifying the selected launch vehicle, defining performance margins, and detailing launch vehicle integration and transportation.

• Ground Systems: Requires implementation of software assurance practices and identification of safety-critical and mission-critical flight software.

• Systems Integration & Testing: Requires development and implementation of comprehensive verification plans, definition of verification methods, and establishment of verification sequences.

• Data Requirement Deliverables (DRDs) are specified for various series (PM, MD, SE, SW, SMA, COM, FO).

• Performance standards are implicitly defined through the detailed requirements and deliverables for each section.

• The PWS aims for system viability beyond 2035.

• Specific place of performance is not detailed but implies activities related to design, development, testing, launch site operations, and potentially on-orbit operations.

• Offerors must incorporate mandatory statements from the Draft PWS into their Contract PWS.

• Compliance with IT policy, Section 508, and Federal Records Act is required.

• Disclosure and approval are required for any use of Artificial Intelligence (AI).

• Cybersecurity controls must be implemented.

• Participation in GIDEP and addressing NASA Advisories are required.

• Specific DRDs must be delivered as outlined in various attachments.

Form / Attachment / Pricing Sheet

This document contains several exhibits (Exhibits 2 through 8) that detail pricing structures and milestone payment events for RFP No. 80GSFC26R0011. Bidders must use these exhibits to formulate and present their pricing proposals.

• Exhibit 2 (Price Summary): Outlines the CLIN structure including MTN Core Requirement, T&M Pricing Model, Launch/Integration/Orbit Insertion, and Mission Operations. All amounts are marked as "To Be Provided" (TBP).
• Exhibit 3 (MTN): Details the proposed fixed price for CLIN 0001, including Base Fixed Price and Schedule Incentive, with amounts marked as TBP.
• Exhibit 4 (MTN Mil Events): Lists milestone payment events for CLIN 0001, including target dates, interim payment amounts, completion criteria, and verification methods. All payment amounts are TBP.
• Exhibit 5 (T&M Pricing Model): Provides a Time and Materials pricing model across five contract years (CY-1 to CY-5). It includes labor categories with hours and loaded DL rates (TBP), and material costs. Total T&M amounts are TBP.
• Exhibit 6 (LMI&O): Details the proposed fixed price for CLIN 0003 (Launch, Integration & Orbit Insertion), including Base Fixed Price and Schedule Incentive, with amounts marked as TBP.
• Exhibit 7 (LI&OI Mil Events): Lists milestone payment events for CLIN 0003, with interim payment amounts and Base Fixed Price marked as TBP.
• Exhibit 8 (Miss Ops): Outlines the proposed fixed price for CLINs 0004-0008 (Mission Operations Options), including 12-month pricing and performance incentives, with all amounts marked as TBP.

These exhibits are critical for bidders to understand the cost structure and payment schedules associated with the opportunity. Bidders must complete the "To Be Provided" (TBP) sections with their proposed pricing for each CLIN and milestone event to submit a compliant proposal.

Form / Attachment / Pricing Sheet

This document is Attachment A, the "MTN Performance Work Statement (PWS)". It is to be submitted with proposals for the DRFP 80GSFC26R0011 opportunity. The contract type is TBD.

This document serves as the Performance Work Statement (PWS) that bidders must complete and submit as part of their proposal.

Bidders must carefully review and complete this PWS to accurately describe their proposed approach to meeting the requirements outlined within. It is a critical component of the proposal submission for this opportunity.

Form / Attachment / Pricing Sheet

This document, "Attachment K - Draft Organizational Conflict of Interest (OCI) Avoidance Plan," is to be submitted with proposals. It outlines the requirements for bidders to address potential organizational conflicts of interest.

• The plan requires bidders to identify and describe any potential OCI issues.
• It also requires bidders to propose measures to avoid, neutralize, or mitigate identified OCIs.

Bidders must carefully review and complete this OCI Avoidance Plan as part of their proposal submission. Failure to adequately address OCI concerns may impact the evaluation and award of the contract.

Form / Attachment / Pricing Sheet

This document, "Attachment B - Draft MTN Objectives and Requirements," outlines the objectives and requirements for the Mars Telecommunications Network (MTN) Project. It serves as a foundational document for potential bidders to understand the scope and technical specifications of the proposed network.

• Purpose: To define objectives and requirements for the MTN Project, supporting the definition of "what" is needed, while allowing flexibility in "how" it is achieved, with consideration for legacy compatibility.
• Scope: Covers orbiter(s), Direct with Earth (DWE) links, and Proximity link requirements. It explicitly excludes launch vehicle requirements.
• Goals and Objectives: Details four primary objectives, including providing communication and data exchange, supporting positioning, navigation, and timing (PNT), providing services to existing missions, and supporting Entry, Descent, and Landing (EDL) demonstrations.
• Requirements: Outlines specific requirements for operational lifetime, link continuity, store-and-forward capabilities, concurrent service provision, hardware delivery dates, DWE and Proximity link services, operational readiness, cybersecurity, planetary protection, orbital debris, data transfer rates, and protocol compatibility.
• Link Budgets: Provides detailed link budget templates for DWE and Proximity links, including parameters for transmit power, losses, antenna gain, noise temperature, data rates, and required margins. These are intended for vendors to use in their proposals.

This document is critical for bidders as it defines the technical and performance requirements for the Mars Telecommunications Network. Understanding these requirements is essential for developing compliant proposals, estimating costs, and designing a system that meets NASA's objectives for Mars communication and navigation services.

Form / Attachment / Pricing Sheet

This document, "Attachment F - Draft Data Requirements Deliverables (DRDs)", outlines the specific data requirements and deliverables expected from a contractor for the Mars Telecommunications Network (MTN) Project. It serves as a critical component for the government to obtain necessary information and make informed decisions throughout the project lifecycle, ultimately leading to the acceptance of fabricated hardware.

• Data Requirements Descriptions (DRDs): The document details numerous DRDs, each specifying a particular deliverable. These include plans for project management, risk management, IT security, mission design, system requirements, software development, safety, materials, and operations.
• Contract Data Requirements List (CDRL): The DRDs are organized and listed within the CDRL, categorizing the data required.
• Format and Submission: Specifies requirements for electronic and hardcopy delivery, emphasizing open-source and standards-compliant formats where possible. It also details the submission frequency and timing for various deliverables.
• Applicability: This document applies to contracted work on the MTN Project.

This document is crucial for potential bidders as it defines the comprehensive set of data and documentation they will be required to produce if awarded the contract. Understanding these requirements is essential for accurately estimating project scope, resources, and timelines. It clearly outlines the government's expectations regarding technical documentation, reports, and plans throughout the project's duration.

Form / Attachment / Pricing Sheet

This document, "Attachment G - Government Furnished Equipment (GFE)," details the Electra UHF Transceiver (EUT) that NASA will provide as Government Furnished Equipment (GFE) to the selected contractor for the Mars Telecommunications Network (MTN) Orbiter opportunity.

• Introduction: Explains NASA's need for a Mars relay infrastructure and the development of the Electra UHF Transceiver, highlighting its past use and upgrades.
• Electra UHF Transceiver Description: Provides technical specifications including duplex modes, frequency ranges (390-450 MHz), operational modes, modulation, coding, and power requirements.
• EMI/EMC Considerations: Discusses Electromagnetic Interference (EMI) and Electromagnetic Compatibility (EMC) issues relevant to integrating the Electra on a Mars orbiter, including tolerance levels and testing requirements.
• Deliverables and Schedule: Identifies specific GFE deliverable items, including two Electra EUT FM Radio units and one Electra EUT PM Baseband Radio. It also lists part numbers, manufacturers, quantities, acquisition costs, availability dates (Feb 2027 and Oct 2026), and confirms they are provided "As Is."
• Interfaces: Details spacecraft bus interfaces for command/control, telemetry, proximity link data, and DC power.

This document is crucial for bidders as it outlines the specific hardware (Electra UHF Transceiver) that will be provided by NASA. Understanding the specifications, capabilities, and integration requirements of this GFE is essential for bidders to accurately plan their proposal, system integration, and cost estimations for the MTN Orbiter opportunity.

Form / Attachment / Pricing Sheet

This document, "Attachment H - CDRLS - Non-Technical DRDs and Requirements Statements List," outlines specific requirements and deliverables for contractors, focusing on non-technical aspects. It details various Data Requirements Deliverables (DRDs) that contractors must adhere to throughout the contract performance.

• IT Purchase Authorization: Requires contractor approval for all IT products and services through the OCIO's Commercial IT Request (CITR) Application, adhering to regulations like FITARA, SCRM, IPv6, and Section 508. NASA will own all purchased software licenses and hardware.
• Section 508 Conformance: Mandates that all delivered Information and Communication Technology (ICT) products, platforms, services, and communications must conform to the Revised Section 508 Standards.
• Records Management: Requires contractors to maintain all records created for Government use in accordance with Federal law and NASA policies. This includes segregating NASA-owned records, immediate notification of any unauthorized removal or destruction of Federal records, and mandatory records management training for all relevant employees.
• Use of Artificial Intelligence (AI): Requires contractors to disclose any potential or intended use of AI technologies. Written notice to the Government is required before deployment, and the Government reserves the right to review, approve, or disapprove AI usage.
• Non-Technical Data Requirements Deliverables (DRDs):
  • CPIC Cost Reporting DRD: Assists the Government in collecting contractor IT spend data for annual reporting.
  • Commercial IT Authorization Report (CITAR) DRD: Reports commercial IT purchases authorized through the CITR application.
  • Security Requirements for Unclassified IT Resources DRD: Details IT security requirements, training, and Cyber Supply Chain Risk Management (C-SCRM) for the contract.
  • Commercial Artificial Intelligence Risk and Impact Assessment (CAIRIA) DRD: Ensures AI impact and risk assessments are met for AI systems used in contract work.

This attachment is crucial for bidders as it defines critical compliance and reporting requirements beyond technical specifications. Understanding these DRDs, particularly concerning IT procurement, Section 508, records management, and AI usage, is essential for accurately developing proposals and ensuring contract compliance. Bidders must be prepared to implement and report on these non-technical requirements.

Form / Attachment / Pricing Sheet

This document is a Government Quality Assurance Surveillance Plan (QASP) for the Mars Telecommunications Network (MTN) contract. It outlines the framework NASA Goddard Space Flight Center (GSFC) will use to monitor and survey Contractor performance. While it is not part of the contract itself, it is provided for informational purposes.

• Objective: To define the overall framework for monitoring and surveying Contractor performance under the MTN contract.
• Scope: Covers Contractor performance during three phases: Development through Implementation, Launch through Relay Commissioning at Mars, and Relay Operations.
• Surveillance Strategies: Details two primary methods: 'Insight' (gathering data on processes and products) and 'Oversight' (direct involvement and inspection).
• Surveillance Team: Lists the roles involved in surveillance, including Project Manager, Engineering Personnel, Procurement Personnel, Program Personnel (COR), Safety and Mission Assurance, IT Security, Property Administrator, and Project Planning and Control.
• Evaluation Criteria: Performance will be evaluated based on Schedule Performance, Technical Performance, Cost Control, Management Effectiveness, Quality Assurance, and NASA Engagement.
• Key Dates: Mentions a hardware delivery date of December 31, 2028, and full operational readiness at Mars by the end of calendar year 2030.

This QASP provides insight into how the Government will monitor and evaluate the Contractor's performance. Bidders should understand these surveillance and evaluation methods, as they indicate the Government's expectations for quality, performance, and adherence to schedule and technical requirements. The evaluation criteria and key dates are particularly important for understanding the performance standards and timelines expected under the contract.

Statement of Objectives (SOO)

This Statement of Objectives (SOO) outlines the top-level objectives for the Mars Telecommunications Network (MTN) procurement. The MTN project is a three-phase effort focused on developing, implementing, launching, and commissioning a new relay network for Mars. The SOO format allows offerors flexibility in proposing cost-effective and innovative solutions. Offerors are required to develop a Performance Work Statement (PWS) that demonstrates how their proposed solutions meet the MTN objectives and RFP requirements. The selected Offeror's PWS will become Attachment A of the contract.

• Phases: (1) Development through implementation, (2) Launch and post-launch check-out, (3) Transit to Mars through relay commissioning.

• Objectives: To robustify the current Mars Relay Network (MRN) and establish a new relay network architecture, meeting the needs of future Mars missions (exploration and science) through 2035.

• Capabilities: Communications and data exchange, positioning and navigation services, autonomous operations, onboard processing, and extended mission duration.

• Deliverables: Offerors must propose a PWS, a comprehensive schedule with milestones, a payment schedule tied to milestones, requirements management and validation processes, verification plans, risk management processes, an IT systems security approach, and technical approaches for communications, navigation, transit, and extensibility.

• Contract Type: Firm fixed-price contract.

• Period of Performance: Delivery no later than December 31, 2028, with full operational readiness at Mars by the end of calendar year 2030.

• Urgency: The project is designated as medium-priority Category 2, requiring heightened management agility and elevated risk tolerance due to an aggressive schedule.

• Offerors must propose a PWS that demonstrates how their solutions meet MTN objectives and RFP requirements.

• Performance requirements include threshold (minimum acceptable) and objective (desired) values. Offerors are encouraged to propose above-threshold performance.

• The Government values above-threshold performance and will consider it during evaluation.

• The contract must be awarded to a U.S. commercial provider.

• The SOO references several attachments and enclosures for detailed requirements, including Attachment B (MTN Objectives and Requirements), Attachment F (Data Requirement Deliverables), and Enclosure 1 (Draft PWS).

• The project is mandated by Public Law (PL) 119-21, signed into law on July 4, 2025.

Form / Attachment / Pricing Sheet

This document, "Exhibit 9 - Draft CASQ.xlsx," is a Commercial Architecture Security Questionnaire (CASQ). It requires vendors to describe how their proposed solutions address various Information Assurance and Cyber Security concerns, referencing specific NIST Special Publications and CNSS Policies. This questionnaire is intended to gather detailed information about the security posture of a vendor's offering.

The questionnaire is structured into several sections, each addressing a specific security domain:

• Space System Security: Covers encryption for control links, secure voice/data communications, interference identification, and TT&C station identification.
• Access Control: Details requirements for account management, separation of duties, logon attempts, system use notification, and remote access.
• Awareness and Training: Addresses security awareness and role-based security training.
• Audit and Accountability: Outlines requirements for audit events, review, analysis, reporting, reduction, and protection of audit information.
• Security Assessment: Includes requirements for security assessments, interconnections, plans of action, and continuous monitoring.
• Configuration Management: Covers baseline configuration, change control, configuration settings, and component inventory.
• Contingency Planning: Addresses contingency plans and information system backup.
• Identification and Authentication: Details policy and procedures for identification and authentication.
• Incident Response: Covers training, testing, handling, monitoring, and reporting of incidents.
• Maintenance: Addresses controlled maintenance procedures.
• Physical and Environmental Protection: Includes requirements for physical access authorizations, control, output devices, monitoring, and alternate work sites.
• Personnel Security: Covers screening, termination, and transfer procedures.
• Risk Assessment: Details requirements for risk assessment and vulnerability scanning.
• System Service and Acquisition: Addresses security engineering principles.
• System and Communications Protection: Covers boundary protection, transmission confidentiality/integrity, cryptographic key management, and session authenticity.
• System and Information Integrity: Addresses flaw remediation and malicious code protection.

Bidders must complete this questionnaire to detail their compliance with critical cybersecurity requirements. The responses will be used to assess the security of the proposed solution and its alignment with federal information assurance standards. Failure to adequately address these security concerns may impact the evaluation of proposals.

Form / Attachment / Pricing Sheet

This document is a Past Performance Questionnaire intended for use by evaluators to assess a contractor's past performance relevant to a Statement of Work (SOW). It guides evaluators in providing descriptive information about the contract, the evaluator, and the contractor's performance.

• Contract Information: Details about the contract being evaluated (name, address, Cage Code/DUNS, contract number, type, period of performance, total contract value, award information).
• Description of Contract: A brief description of services provided and the firm's role (Prime Contractor, Subcontractor, Team Member).
• Evaluator Information: Details about the person completing the questionnaire.
• Survey Relevance Ratings: A section to mark which elements of the SOW were performed or not performed by the contractor.
• General Performance Survey: Ratings for Quality, Schedule, Cost, and Business/Management, using a scale from Very High (VH) to Very Low (VL) or Not Rated (N/R).
• Section 6: Focuses on Contract Value, Expenditures to Date, Annual Contract Value, cost overruns, and overall contract performance rating.

This questionnaire is crucial for bidders as it outlines the specific criteria and areas the government will use to evaluate their past performance. Understanding these evaluation factors helps bidders prepare their own past performance narratives and identify relevant past contracts to submit for evaluation. The detailed breakdown of SOW elements and performance metrics provides insight into what aspects of performance are most valued by the agency.

Form / Attachment / Pricing Sheet

This document, Exhibit 11, provides instructions for the Mission Trajectory Data Package (MTN Proposal) that bidders are required to submit. It outlines the specific information needed for both trajectory and spacecraft data.

1. Trajectory Information:

• Launch vehicle, launch date, C3, and departure launch azimuth
• Final orbit characteristics at Mars
• SPK files for launch window
• Solar conjunctions and eclipse durations
• Maneuver assumptions (Finite vs. Impulsive)
• Aerobraking assumptions
• Delta-V budget

2. Spacecraft Data:

• Wet mass and propellant mass
• Engine types, number, duty cycles, propellants, Isp, thrust, power, and mass flow rate (including equations)
• Thrust vectors per maneuver
• Tank capacities and propellant margin
• Power capability at 1 AU and power margin
• Technology Readiness Levels (TRLs) for engines, solar arrays, and power processing electronics (PPU)
• Momentum control method

Bidders must use this exhibit to understand the detailed data requirements for their mission trajectory and spacecraft design. This information is crucial for preparing a comprehensive proposal that meets the government's specifications for mission planning and spacecraft capabilities.