YT25

Tug Vigilant

USS Vigilant Off the Mare Island Navy Yard, 26 July 1898.
Note variety of guns she carried for Spanish-American War service: two 37mm revolving cannon at the bow, a Gatling gun atop the pilothouse, and a short 3-inch cannon at the stern. (Unknown Contributor)
USS VIGILANT YT-25 (Date Unknown) (Contributed by Bill Mozingo)

NAFTS, National Association of Fleet Tug Sailors