What does PGR stand for?
PGR stands for "SPacelab Planning And Ground Rule"
How to abbreviate "SPacelab Planning And Ground Rule"?
"SPacelab Planning And Ground Rule" can be abbreviated as PGR
What is the meaning of PGR abbreviation?
The meaning of PGR abbreviation is "SPacelab Planning And Ground Rule"
What does PGR mean?
PGR as abbreviation means "SPacelab Planning And Ground Rule"
