TCN in NASA could mean:
Displaying 1-2 of 2 result(s).
TCN
Test Change Notice
in NASA
TCN
Transportation Control Number
in NASA




Similar to TCN

(H) - Hazardous Task Classification
(S) - Safe Task Classification
0G - Zero Gravity
2GRLV - 2nd Generation Return to Launch Vehicle
2IC - Second In Command
2M - Micro Miniature
2MASS - Two Micron All-Sky Survey

View all in NASA