From Wiktionary, the free dictionary
- 1/Sgt, 1/SGT, 1/SGT.
- (first sergeant): 1Sgt, 1Sgt., 1SGT, 1SGT., 1 Sgt, 1 Sgt., 1 SGT, 1 SGT., 1SG
1/Sgt. (plural 1/Sgts. or 1/Sgt.'s or 1/Sgt's)
- A title added before the name of a first sergeant.
- A title added before the name of a sergeant first class.
(first sergeant):
(sergeant first class):