HD in NASA could mean:
Displaying 1-6 of 6 result(s).
HD
Horizontal Drain
in NASA
HD
High Drag
in NASA
HD
Hydrogen Drain
in NASA
HD
Highly Desirable
in NASA
HD
Heavy Duty
in NASA
HD
Hoiddown
in NASA




Similar to HD

A/E - Activity Elements
A/F - Air-to-Fuel Ratio
A/FM - Air/Firing Mechanism
A/G - Air to Ground
A/L - AutoLand
A/L - AirLock
A/L - Approach and Landing

View all in NASA