What does ROO stand for?
ROO stands for "Rail Ordnance Officer"
How to abbreviate "Rail Ordnance Officer"?
"Rail Ordnance Officer" can be abbreviated as ROO
What is the meaning of ROO abbreviation?
The meaning of ROO abbreviation is "Rail Ordnance Officer"
What does ROO mean?
ROO as abbreviation means "Rail Ordnance Officer"
