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.
colonel
PPL is the abbreviation or 'IM' for people
retired air force signature block
35000
ret. or Ret.
retmnt
1SG (ret)
How to address an envelope to a Retired Army Col and his wife.
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)
The cast of The Adventure of the Retired Army Colonel - 1912 includes: Maurice Costello as Lambert Chase - the Detective Van Dyke Brooke as Morrison - the Retired Army Colonel Robert Gaillard as Prior - the Police Constable Edward Thomas as The Chief of Police