The Chieftain's Hatch: Signal Flags, History

The development of a tank was faster than the communication tech that supported it.

Nautical Flag History: Nautical Flag Meanings & International Signals

The Chieftain's Hatch: The Devil's Due, History

Visual Signalling

The massacre of the Wichata. or Sheridan's last ride. By Shenandoah, author Moke-ta-va-ta The martyred chieftain. [n. p. n. d.].

Watch We Shall Remain, American Experience, Official Site

Historic year': Oakdale Middle School, Innovation Academy open in Medford, Local&State

Tankograd: T-10

Beat to Quarters — Signalflags

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Inside the Chieftain's Hatch: All-American T3

The Chieftain's Hatch: T-50, History

36 Signal Regiment The Governor General of Canada