Letter	1913	1927	1938	World War II	1957-Present	Signal Flag
A	Able	Affirmative	Afirm	Afirm (Able)	Alfa
B	Boy	Baker	Baker	Baker	Bravo
C	Cast	Cast	Cast	Charlie	Charlie
D	Dog	Dog	Dog	Dog	Delta
E	Easy	Easy	Easy	Easy	Echo
F	Fox	Fox	Fox	Fox	Foxtrot
G	George	George	George	George	Golf
H	Have	Hypo	Hypo	How	Hotel
I	Item	Interrogatory	Int	Int (Item)	India
J	Jig	Jig	Jig	Jig	Juliett
K	King	King	King	King	Kilo
L	Love	Love	Love	Love	Lima
M	Mike	Mike	Mike	Mike	Mike
N	Nan	Negative	Negat	Negat (Nan)	November
O	Oboe	Option	Option	Option (Oboe)	Oscar
P	Pup	Preparatory	Prep	Prep (Peter)	Papa
Q	Quack	Quack	Queen	Queen	Quebec
R	Rush	Roger	Roger	Roger	Romeo
S	Sail	Sail	Sail	Sugar	Sierra
T	Tare	Tare	Tare	Tare	Tango
U	Unit	Unit	Unit	Uncle	Uniform
V	Vice	Vice	Victor	Victor	Victor
W	Watch	William	William	William	Whiskey
X	X-ray	X-ray	X-ray	X-ray	X-ray
Y	Yoke	Yoke	Yoke	Yoke	Yankee
Z	Zed	Zed	Zed	Zebra	Zulu