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Silent Swarm 26 Maritime and Unmanned Surface Vessel B-roll
B-roll showing maritime efforts and unmanned surface vessels during Silent Swarm 26, July 20 to 22 at Alpena, Michigan. (U.S. Air National Guard Video by Tech. Sgt. Tristan D. Viglianco and 1st Lt. Elise Wahlstrom)
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B-roll showing maritime efforts and unmanned surface vessels during Silent Swarm 26, July 20 to 22 at Alpena, Michigan. (U.S. Air National Guard Video by Tech. Sgt. Tristan D. Viglianco and 1st Lt. Elise Wahlstrom)

Attribution: Source: DVIDS Hub — U.S. Department of Defense public-affairs media
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