RV Sir Horace Lamb was a Navy owned former mine warfare vessel assigned to the Columbia University, Geophysical Field Station research facility in Bermuda for acoustic research operating from 1959 to 1976. The ship was the former USS Redpoll (AMS-57/YMS-294), a YMS-1-class minesweeper of the YMS-135 subclass built and commissioned as YMS-294 in 1943.