What does O/ET stand for?
O/ET stands for "Orbiter/External Tank"
How to abbreviate "Orbiter/External Tank"?
"Orbiter/External Tank" can be abbreviated as O/ET
What is the meaning of O/ET abbreviation?
The meaning of O/ET abbreviation is "Orbiter/External Tank"
What does O/ET mean?
O/ET as abbreviation means "Orbiter/External Tank"
