Exercises

Hazardous operations

Gulf of Tonkin · Vietnam · HYDROPAC 3224/15

issued: 2015-09-28 14:14Z
status: cancelled 2015-09-30 17:00Z (archive)
self-cancels: 2015-09-30 17:00Z
authority: HAIPHONG RADIO 281240Z SEP 15.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

GULF OF TONKIN.
VIETNAM.
HAZARDOUS OPERATIONS.
DNC 23.
1. HAZARDOUS OPERATIONS 0630Z TO 1030Z AND
   1230Z TO 1600Z DAILY 29 AND 30 SEP
   IN AREA BETWEEN
   20-53N 20-30N AND 107-24E 107-48E.
2. CANCEL THIS MSG 301700Z SEP 15.

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Exercises

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