| Signal flags are used to communicate while maintaining radio silence. Navy Signalmen transmit messages by hoisting a flag or a series of flags on a halyard. ... When communicating with all other vessels, the International Code of Signals is used. |
NAVY SIGNAL FLAGS
| Signal flags are used to communicate while maintaining radio silence. Navy Signalmen transmit messages by hoisting a flag or a series of flags on a halyard. ... When communicating with all other vessels, the International Code of Signals is used. |
