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Space Physics Division
in NASA
Standard Practice Directive
in NASA
131459131460131461
Similar to SPD
$#!* - We Have a Problem
(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
View all in NASA