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District 14 Broadcast Notice to Mariners Message

Message Originator: Guam

SCHEDULED / PHILIPPINES SEA - MARIANA ISLANDS - GUAM - OUTER APRA HARBOR UNDET SITE / MARINE EVENT / SEC FMSG BNM 0281-25 /

NARR/REF A IS COMPACFLT OPORD 201. OPORD 201 SETS FORTH PROCEDURES
FOR DETONATION OF EXPLOSIVES AT SEA. REF B IS MARIANA ISLANDS TRAINING
AND TESTING FINAL ENVIRONMENTAL IMPACT STATEMENT. REF C IS UNDERWATER
DETONATION OF EXPLOSIVES WITHIN THE MARIANA ISLANDS RANGE COMPLEX. REF D IS
PROTECTIVE MEASURES ASSESSMENT PROTOCOL WEBSITE.//
POC/SMITH, TIMOTHY/LT/EODMU FIVE/N7/TEL:(671)-339-0407//
EMAIL:TIMOTHY.J.SMITH7.MIL@US.NAVY.MIL//
RMKS/1. IAW REFS A THROUGH C, ORIG REQUESTS PERMISSION TO CONDUCT OPS
INVOLVING DETONATION OF EXPLOSIVES AS FOLLOWS:
ALPHA: SIMULATED BOTTOM MINE NEUTRALIZATION OPERATIONS LOCATED AT
13.27.42N, 144.38.30E OUTER APRA HARBOR DEEP UNDET SITE ON: GUAM LOCAL DATE:
27-28AUG25.
UNDET IS REQUESTED FOR THE TIME PERIOD (0900-1600 EACH DAY) ON 27-28AUG25
BRAVO:
ONE 5LB CHARGE CONSISTING OF:
QTY NOMENCLATURE NALC NEW TOTAL NEW
4EA CHARGE, DEMOLITION M023 1.25LBS 5LBS
500FT DETONATION CORD M456 0.006LBS 3LBS
4EA ELEC BLASTING CAPS DWHH 0.003LBS 0.012LBS
CHARLIE: 30-150 FSW
DELTA: THE CHARGE WILL BE DETONATED USING A POSITIVE CONTROL REMOTE
FIRING DEVICE. IAW REFS (B), (C), AND (D), A MITIGATION ZONE OF 457M WILL BE
OBSERVED. AFTER INITIAL UNDET, A VERIFICATION DIVE WILL BE CONDUCTED.
ECHO: FOR CTF 74 AND COMNAVMARIANAS, REQUEST ISSUE NOTMAR TO
COMCOGARD GU, REQUEST REPRESENTATION TO GUAM ENVIRONMENTAL PROTECTION AGENCY
AND ISSUE APPROPRIATE PUBLIC AFFAIRS RELEASE UPON RECEIPT OF COMSEVENTHFLT
APPROVAL.
FOXTROT: FOR COMSEVENTHFLT, REQUEST APPROVAL UPON RECEIPT OF
CONCURRENCE FROM CTF 74 AND COMNAVMARIANAS.
GOLF: POC ON DAY OF UNDET IS FASTBREAK 532 ON VHF MARINE BAND CH 82A
OR 16. ON SITE EXERCISE CONTROLLERS CAN ALSO BE CONTACTED DURING THE EVENT
VIA PHONE AT COMM: (671)-339-8163//(671)-788-8445.

CANCEL AT//280601Z AUG 25//

BT