Exercises

Hazardous operations

Gulf of Tonkin · Vietnam · HYDROPAC 169/15

issued: 2015-01-17 03:26Z
status: cancelled 2015-01-24 08:00Z (archive)
self-cancels: 2015-01-24 08:00Z
authority: HAIPHONG RADIO 170030Z JAN 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 0100Z TO 0700Z DAILY
   23 AND 24 JAN IN AREA BETWEEN
   20-52.2N 20-55.0N AND 107-14.0E 107-10.0E.
2. CANCEL THIS MSG 240800Z JAN 15.

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