ISBN: | 978-5-5121-9725-7 |
High Quality Content by WIKIPEDIA articles! USS Vigil (AGR-12/YAGR-12) was a Guardian-class radar picket ship acquired by the U.S. Navy in 1956 from the "mothballed" reserve fleet. She was reconfigured as a radar picket ship and assigned to radar picket duty in the North Atlantic Ocean as part of the Distant Early Warning Line.