User:Jahnka/sandbox

USS Pioneer may refer to:


 * USS Pioneer (1836), a nineteenth-century barque.
 * USS Pioneer (1862), may have been a submarine, captured from the Confederate States Navy.
 * USS Pioneer (MSF-105), a World War II minesweeper commissioned in 1942 and sold to Mexico in 1973 as the Leandro Valle
 * USS Pioneer (MCM-9), is an Avenger-class mine countermeasures ship currently in service.