Attachment 4: Definitions
Updated
A PDF document (150 KB) attached to Venture-Class Acquisition of Dedicated and Rideshare (VADR) Launch Services, from the National Aeronautics and Space Administration. Due Dec 10, 2026, 4:00 PM (UTC-5).
File name: 04_Attachment 04 Definitions.pdf
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VADR RFP
ATTACHMENT 04 - DEFINITIONS
80KSC021R0034 Rev B
ATTACHMENT 04
DEFINITIONS
for
Venture-Class Acquisition of Dedicated and Rideshare (VADR) Launch Services
VADR RFP
ATTACHMENT 04 - DEFINITIONS
80KSC021R0034 Rev B
Anomaly: An unexpected event that can reasonably be considered to pose mission success implications for current and subsequent NASA missions.
Authority to Proceed (ATP): Notification from the Contracting Officer via task order award to proceed with work on either a Launch Service Task Order (LSTO) or Special Task Assignment. Baseline Interface Control Document (ICD): First approved and signed release of ICD. Certified Common Launch Vehicle Configurations: A common launch vehicle configuration which has met the requirements defined in NPD 8610.7 for a specific launch vehicle risk category. Common Launch Vehicle Configuration (CLVC): A distinct combination of core propulsive stages and launch vehicle hardware used to deliver payloads to earth orbit or escape trajectories. Common Launch Vehicle Configuration Changes: Items that substantially affect the airframe integrity, operating time, specific impulse, the thrust and/or the mass of one or more core propulsive stages are considered changes to the common launch vehicle configuration. Examples of vehicle configuration changes include the replacement of engine(s), core propulsive stages, and/or major airframe structures (e.g. significant stage length increase and/or major changes in primary load path).
A change in thrust of any core stage engine greater than 10% and/or a change in propellant mass of a core stage greater than 10% constitutes a change to the common launch vehicle configuration. Common Launch Vehicle Configuration Upgrades or Modifications: Items that do not substantially affect operating time, total impulse, and/or the thrust profile of one or more propulsive stages are considered upgrades or modifications to the certified common vehicle configuration. Examples of upgrades and modifications include changes in avionics, software, payload fairing, payload electrical/mechanical interfaces, incorporation of mission specific requirements, and the addition or deletion of a final stage (exclusively used for orbit circularization or escape), strap-on motors, and/or trim stage. Upgrades or modifications are not to be interpreted as common launch vehicle configuration changes.
Controlling Interest: Ownership of an amount of equity in such entity sufficient to direct management or to void transactions entered into by management.
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Other documents in this bid
- VADR on-ramp 2026 Cover Letter
- VADR Request for Proposals on-ramp 2026
- Attachment 1: Statement of Work
- Attachment 2: Meetings and Formal Reviews
- Attachment 3: CDRLS
- Attachment 5: Launch Service Capabilities Specifications and Envs
- LAUNCH VEHICLE CERTIFICATION LSP PLN 324.01 Rev C
- VADR on-ramp 2026 Change Log