USS Impervious (MSO-449) underway in 1954.jpg
U.S. Navy Bureau of Ships
en
USS Impervious (MSO 449) underway in 1954, The U.S. Navy minesweeper USS ''Impervious'' (MSO-449) underway, in June 1954., Impervious in 1954.
commons
en
USS Impervious (MSO 449) underway in 1954, USS Impervious (MSO-449), Images from the National Archives and Records Administration
commons
ja
インパービアス
commons_translated
ja
インパービアス
commons_translated
impervious