Defiant (YT-804)

Defiant (YT‑804) is a United States Navy Valiant-class harbor tug.

Construction and commissioning
The contract for Defiant was awarded 10 September 2007. She was laid down by J.M. Martinac Shipbuilding Corp., Tacoma, Washington and launched 10 July 2010. Defiant was delivered to the Navy 28 September 2010.

Operational history
Defiant is assigned to the Navy Region Northwest.