E2 Private (PVT).
E3 Private First Class (PFC).
E4 Specialist (SPC).
E4 Corporal (CPL). Also E4, but in position of command.
E5 Sergeant (SGT). Beginning of non-commissioned officer ranks.
E6 Staff Sergeant (SSG).
E7 Sergeant First Class (SFC).
E8 Master Sergeant (MSG).
E8 First Sergeant (FSG). Also E8, but in position of command.
E9 Sergeant Major (SGM).
E9 Command Sergeant Major (CSM). Also E9, but in position of command.
E9 SERGEANT MAJOR of the ARMY. (Never more than one at any time.)
(W1) Warrant Officer 1.
(W2) Chief Warrant Officer 2.
(W3) Chief Warrant Officer 3.
(W4) Chief Warrant Officer 4.
(W5) Chief Warrant Officer.
(O1) SECOND LIEUTENANT
(O2) FIRST LIEUTENANT
(O3) CAPTAIN
(O4) MAJOR
(O5) LIEUTENANT COLONEL
(O6) COLONEL
(O7) BRIGADIER GENERAL
(O8) MAJOR GENERAL
(O9) LIEUTENANT GENERAL
(O10) GENERAL
GENERAL of the ARMY (Reserved for War Time Situations)
Alphabet army codes--------------------------------------
A - Alpha
B - Bravo
C - Charlie
D - Delta
E - Echo
F - Foxtrot
G - Golf
H - Hotel
I - India
J - Juliet
K - Kilo
L - Lima
M - Mike
N - November
O - Oscar
P - Papa
Q - Quebec
R - Romeo
S - Sierra
T - Tango
U - Uniform
V - Victor
W - Whiskey
X - X-ray
Y - Yankee
Z - Zulu