This 422 Class District Harbor Tug, Small was laid down in 1943, at Bellingham Iron Works, Bellingham, WA. She was delivered and placed in service as YT-435 in the 12th Naval District, Navy Yard Mare Island in 1944, Vallejo, California. She was later redesignated as YTL-435.
YTL-435 was struck from the US Naval Register in 1979. In 2015 she was renamed to Progressive (III).