FM COMCHIEFNAVOPS WASHINGTON, DC
TO COMFLTFORCOM NORFOLK VA//JJJ//
COMSIXFLT ROTA SPAIN//JJJ//
USCENTCOM TAMPA FLORIDA//JJJ///
USSOUTHCOMM DORAL FLORIDA//JJJ//
COMPACFLT PEARL HARBOR HI//JJJ//
CG MCCDC QUANTICO VA//MID//
COMCARGRU TWO
COMCARGRU SIX
COMCARGRU EIGHT
COMPHIBRON EIGHT
COMSUBRON SIX
COMSUBRON EIGHT
BT
29 OCTOBER 1991, 1136 UTC
CLASSIFICATION TOP SECRET REL NATO//N03510//
MSGID/GENADMIN//COMCHIEFNAVOPS//
SUBJ/URGENT SET DEFCON THREE FOR ATLC COMMANDS//
1. AT 03:21 EDT SECSTATE, SECDEF, SECNAV AND CNO WERE INFORMED BY THE SOVIET AMBASSADOR TO THE UNITED STATES THAT THE SOVIET DELTA IV SUBMARINE K-84 IS ATTEMPTING TO CLOSE ON THE EASTERN CONUS AND THREATENS INDEPENDENT NUCLEAR LAUNCH.
2. CIA AND NAVAL INTELLIGENCE BELIEVE THE SUBMARINE IS LOCATED BETWEEN BERMUDA AND LABRADOR AND ATTEMPTING TO CLOSE ON EASTERN CONUS TRANSITING BETWEEN BERMUDA AND THE CONUS IN THE YANKEE BOX. NOTE A DELTA IV NEED NOT ENTER THE YANKEE BOX TO LAUNCH AND MAY REMAIN AT STANDOFF DISTANCE. 
3. WEATHER (NAVEASTOCEANCEN NORFOLK, VA)
a.      HURRICANE GRACE 31.50  -63.20 10/29/12Z   85 KNOTS 982 MB
b. HRCN MOVING EAST 10 KNOTS WILL BE ABSORBED BY DEVELOPING STORM CENTER NEXT 24 HOURS..
c. STORM CENTER DEVELOPING NEAR 42.00 -62.00 65 KNOTS 972 MB
d. QUASI-STATIONARY OR DRIFTING WEST LESS THAN 5 KNOTS.
e. FORECAST BOSTON OPAREA, VA CAPES OPAREA, CHARLESTON OPAREA, JAX OPAREA,
f. CLOUDS OVERCAST 1-30 KFT AGL.
g. VISIBILITY LESS THAN 1 MILE IN HEAVY RAIN.
h. WIND NORTHEAST 20 TO 30 KNOTS.
i. SEAS 10 TO 15 FEET.
j. SWELL NORTH 15 TO 20 FEET DEVELOPING BY 31 OCTOBER.
k. CONDITIONS DETERIORATING IN AND NEAR HURRICANE/STORM CENTER.
4. SOVIET UNION REPORTS A VICTOR III AND AKULA CLASS SUBMARINE ARE ALSO SEARCHING FOR K-84. CARE SHOULD BE TAKEN TO NOTREPEAT NOTENGAGE EITHER. DO NOT INTERFERE IF THE SOVIETS ENGAGE THE TARGET.
5. ALL UNITS ARE ORDERED TO CLASSIFY AND DESTROY THE K-84. WEAPONS ARE FREE. 
6. NUCLEAR WEAPONS ARE NOT AUTHORIZED BUT MAY BE REQUESTED IF NECESSARY.
7. CNO SENDSGOOD LUCK AND GOD BLESS! 
CLASSIFICATION TOP SECRET REL NATO//N03510//
BT
ZCZC