CG 47 CLASS ADVISORY NO. 10-89
VERTICAL LAUNCH SYSTEM MAGAZINE AUTHORIZATION
A. TECHNICAL MANUAL S9410-AJ-AEG-030, AEGIS
COMBAT SYSTEM
CONSOLE SUPERVISORS OPERATING PRINCIPLES AND PROCEDURES
B. WEAPONS
CONTROL SYSTEM MANUAL S9410-AJ-AEG-280, QUICK
REFERENCE GUIDE FOR MISSILE SYSTEM SUPERVISOR
1. THE PURPOSE OF THIS CG47
CLASS ADVISORY IS TO ALERT COMBAT
SYSTEM PERSONNEL TO POTENTIALLY MISLEADING INDICATIONS OF
VERTICAL LAUNCH SYSTEM (VLS) MAGAZINE AUTHORIZATION. UNDER
CERTAIN CIRCUMSTANCES, IT IS POSSIBLE FOR THE MISSILE SYSTEM
SUPERVISOR (MSS) TO BELIEVE HE HAS REMOVED MAGAZINE AUTHORIZATION
FROM A LAUNCHER, WHILE IN FACT THAT LAUNCHER CAN STILL LAUNCH
MISSILES.
2. MAGAZINE AUTHORIZATION IS USED BY COMMAND AND DECISION
(C & D) TO CONTROL SELECTION OF ALL MISSILE TYPES IN EACH LAUNCHER.
VLS WILL NOT SELECT A MISSILE FROM A LAUNCHER IF IT HAS RECEIVED
A VALID COMMAND FROM C&D VIA A WEAPONS CONTROL SYSTEM (WCS) TO
REMOVE MAGAZINE AUTHORIZATION. HOWEVER, IF ANY CELL HAS ALREADY
BEEN SELECTED IN A LAUNCHER AT THE TIME AN ORDER IS RECEIVED TO
REMOVE MAGAZINE AUTHORIZATION FOR THAT LAUNCHER, VLS REJECTS THE
COMMAND AND MAINTAINS THE LAUNCHER STATUS AS MAGAZINE AUTHORIZED.
3. MAGAZINE AUTHORIZATION VARIABLE ACTION BUTTONS (VAB) CAN BE
ACCESSED BY C&D OPERATORS, EITHER THE TACTICAL COMMAND (TC) OR
THE COMBAT SYSTEM COORDINATOR (CSC). IF A C&D OPERATOR ATTEMPTS
TO REMOVE MAGAZINE AUTHORIZATION FROM A LAUNCHER WITH A CELL
SELECTED, THE CUE LAMP FOR THE VAB CORRECTLY BLINKS SHOWING THAT
THE LAUNCHER HAS NOT REMOVED AUTHORIZATION. THE VLS INVENTORY
AND STATUS DISPLAY ALSO SHOWS THE CORRECT LAUNCHER AUTHORIZATION.
THIS IS BECAUSE C&D MONITORS THE VLS REPORTED AUTHORIZATION
STATUS TO ENSURE THAT THE REPORTED AUTHORIZATION AGREES WITH THE
ORDERED AUTHORIZATION.
4. THE CURRENT WCS DESIGN SUPPLIES THE MSS WITH VABS LABELED
"FWD MAGZNE AUTH" AND "AFT MAGZNE AUTH". THESE LABELS ARE
INCORRECT AS THEY GIVE THE MSS OPERATOR THE IMPRESSION THAT HE
CAN ENABLE OR REMOVE MAGAZINE AUTHORIZATION WHEN HE CAN ONLY
ENABLE OR REMOVE STANDARD MISSILE (SM) AUTHORIZATION FROM THAT
MAGAZINE. DEPRESSION OF ONE OF THESE VABS DOES NOT RESULT IN WCS
ORDERING VLS TO CHANGE MAGAZINE AUTHORIZATION, BUT MERELY
PROVIDES OR REMOVES PERMISSION FOR WCS TO USE THAT LAUNCHER FOR
SM ENGAGEMENTS. WHEN A MSS MAGAZINE AUTHORIZATION VAB IS USED TO
PREVENT SM LAUNCHES FROM A LAUNCHER, IT DOES NOT AFFECT
AUTHORIZATION TO LAUNCH TOMAHAWK OR VERTICAL LAUNCH ASROC (VLA)
MISSILES FROM THAT LAUNCHER.
5. A CHANGE TO THE AEGIS WCS COMPUTER PROGRAM TO CORRECTLY
INDICATE THE SM PERMISSION STATUS IN THE MSS SUBMODE IS UNDER
DEVELOPMENT. A RENAMING OF THE MSS "MAGZNE AUTH" VABS IS ALSO
BEING DEVELOPED. THESE CHANGES WILL BE INCLUDED IN COMPUTER
PROGRAM DELIVERY 2.2 SCHEDULED FOR DELIVERY STARTING DEC 89.
6. ACTION. UNTIL THE CHANGES ARE IMPLEMENTED THE FOLLOWING
ACTIONS SHOULD BE TAKEN:
A. FOR CG47 CLASS SHIPS: INSURE THE MSS OPERATORS ARE AWARE THAT
THE MSS "MAGZNE AUTH" VABS AND THE MAGAZINES AUTH STATUS
DISPLAYED ON THE MISSILE SYSTEM SUMMARY DISPLAY RELATE TO MSS
PERMISSION TO USE A LAUNCHER FOR SM ENGAGEMENTS.
B. FOR AEGIS TRAINING CENTER: ENSURE THAT THIS INFORMATION IS
EMPHASIZED IN THE CIC OPERATOR'S COURSE TRAINING MATERIALS.
7. FOR COMNAVSURFPAC/COMNAVSURFLANT: REQUEST TASK CG 47 CLASS
SHIPS TO ADHERE TO GUIDANCE OF PARA 6A ABOVE.
8. THIS CLASS ADVISORY HAS NO EFFECT ON EOSS, CSOSS, OR PMS.
THE WEAPONS SYSTEM FILE, REF A, REF B, AND TRAINING PROGRAMS WILL
BE UPDATED WITH THE NEXT PROGRAM UPDATE.
9. THIS CLASS ADVISORY WILL BE CANCELLED WHEN THE WCS COMPUTER
PROGRAM HAS BEEN MODIFIED TO CORRECTLY INDICATE SM PERMISSION
STATUS, THE "MAGZNE AUTH" VABS ARE RENAMED IN THE MSS SUBMODE AND
REFERENCES A AND B AND THE TRAINING PROGRAMS HAVE BEEN UPDATED.
10. NAVSEA POC IS MR. N. SMITHSON, PMS400F82, A/V 222-5979 OR
COMM (202)692-3979. TPOC IS MR. MIKE BARE, PMS400B334, COMM
(703)663-8171.