B
Confidential restricted data
A
Confidential former restricted data
C
Confidential
D
Confidential crytologic
E
Secret cryptologic
F
Top-secret cryptologic
G
Secret former restricted data
H
Secret restricted data
K
Top-secret former restricted
L
Top-secret restricted data
O
Item contains nuclear propulsion information
S
Secret
T
Top secret
U
Unclassified
7
Item display sensitive information