PD in NASA could mean:
Displaying 1-8 of 8 result(s).
PD
Procurement Drawing
in NASA
PD
Propellant Dispersal
in NASA
PD
Program Directive
in NASA
PD
Pitch Down
in NASA
PD
Preliminary Design
in NASA
PD
Per Diem
in NASA
PD
Procurement Document
in NASA
PD
Project Directive
in NASA




Similar to PD

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
AA - Astronomical Applications

View all in NASA