Jawabanmu

2014-05-21T19:55:23+07:00
OSACOM? Operational Support Airlift Command
2014-05-21T20:20:13+07:00
OSACOM ; Operational Support Airlift Command.

And, just guess for "OBSACOM" ;
OBSACOM ; Operational Broad Support Airlift Command.

Just Helping.