Col "Name" (RET) for Air Force and Marine Corps, COL "Name" (RET) for Army.
I think it is Lt Col (ret). Verify to be sure.
How to address an envelope to a Retired Army Col and his wife.
PPL is the abbreviation or 'IM' for people
The abbreviation for Lieutenant Colonel is "Lt. Col."
colonel
retired air force signature block
35000
ret. or Ret.
retmnt
1SG (ret)
LTC or Lt. Col In relation to Civil War, I have seen it written Lieut.-Colonel which is not much of an abbreviation and Lt-Col.
1SG (ret)