Defense Area

Any airspace of the contiguous United States that is not an ADIZ in which the control of aircraft is required for reasons of national security.

Source: Pilot Contoller Glossary (PCG)

#
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z