Use Environment per MIL HDBK-217F (Space):
Space, Flight: Earth orbital. Approaches benign ground conditions. Vehicle neither under powered flight nor in atmospheric re-entry; includes satellites and shuttles.
Missile, Flight: Conditions related to powered flight of air breathing missiles, cruise missiles, and missiles in unpowered free flight.
Missile, Launch: Severe conditions related to missile launch (air, ground and sea), space vehicle boost into orbit, and vehicle re-entry and landing by parachute. Also applies to solid rocket motor propulsion powered flight, and torpedo and missile launch from submarines.
Cannon, Launch: Extremely severe conditions related to cannon launching of 155 mm and 5 inch guided projectiles. Conditions apply to the projectile from launch to target impact.
Mean Time Between Failure Definition .... Military Specifications
Engineering Key Words: Failure Mode Analysis, Reliability Prediction, MIL-HDBK-217, Plane, Space, Rocket, Bellcore
/ Telcordia, IEC 62380
