US DoD
pay grade
O-10 O-9 O-8 O-7 O-6 O-5 O-4 O-3 O-2 O-1 Officer candidate
NATO code OF-9 OF-8 OF-7 OF-6 OF-5 OF-4 OF-3 OF-2 OF-1 OF(D)
Insignia Various insignia
Service dress uniform (Class A)
Service uniform (Class B)
Mess dress uniform
OCP uniform
Title General Lieutenant general Major general Brigadier general Colonel Lieutenant colonel Major Captain First lieutenant Second lieutenant Cadet / Officer trainee
Abbreviation Gen Lt Gen Maj Gen Brig Gen Col Lt Col Maj Capt 1st Lt 2d Lt Cdt / OT