What does SDO stand for?
SDO stands for "Squadron Duty Ofcr"
How to abbreviate "Squadron Duty Ofcr"?
"Squadron Duty Ofcr" can be abbreviated as SDO
What is the meaning of SDO abbreviation?
The meaning of SDO abbreviation is "Squadron Duty Ofcr"
What does SDO mean?
SDO as abbreviation means "Squadron Duty Ofcr"
