<s>
Granite	B-Device
Sentry	I-Device
was	O
a	O
Cheyenne	O
Mountain	O
nuclear	O
bunker	O
improvement	O
program	O
"	O
to	O
provide	O
a	O
Message	O
Processing	O
Subsystem	O
and	O
a	O
Video	O
Distribution	O
Subsystem	O
,	O
and	O
[	O
to	O
upgrade ]	O
the	O
NORAD	O
Computer	O
System	O
display	O
capability	O
and	O
four	O
major	O
centers	O
:	O
(	O
1	O
)	O
the	O
Air	O
Defense	O
Operations	O
Center	O
,	O
(	O
2	O
)	O
the	O
NORAD	O
Command	O
Center	O
,	O
(	O
3	O
)	O
the	O
Battle	O
Staff	O
Support	O
Center	O
,	O
and	O
(	O
4	O
)	O
the	O
Weather	O
Support	O
Unit.	O
"	O
</s>
<s>
Granite	B-Device
Sentry	I-Device
was	O
also	O
to	O
process	O
and	O
display	O
"	O
nuclear	O
detection	O
data	O
provided	O
from	O
the	O
Integrated	O
Correlation	O
and	O
Display	O
System.	O
"	O
</s>
<s>
For	O
$230	O
million	O
the	O
program	O
was	O
also	O
to	O
"	O
replace	O
display	O
screens	O
of	O
the	O
Attack	O
Warning	O
and	O
Attack	O
Assessment	O
System	O
"	O
,	O
and	O
Granite	B-Device
Sentry	I-Device
was	O
delayed	O
from	O
1993	O
to	O
1996	O
.	O
</s>
<s>
Granite	B-Device
Sentry	I-Device
and	O
other	O
Cheyenne	O
Mountain	O
Upgrade	O
interfaces	O
were	O
tested	O
in	O
1997	O
,	O
and	O
Granite	B-Device
Sentry	I-Device
's	O
processing	O
regarding	O
"	O
simulated	O
 [ nuclear ] 	O
detonation	O
messages	O
…	O
injected	O
into	O
the	O
Defense	O
Support	O
Program	O
Data	O
Distribution	O
Center	O
 [ was ] 	O
not	O
adequate	O
...	O
"	O
.	O
</s>
