USS Columbia Returns to Pearl Harbor By MC2(SW/AW/SCW) Ronald Gutridge COMSUBPAC Public Affairs Release Date: 05/03/2010 PEARL HARBOR, Hawaii – Los Angeles-class fast-attack nuclear powered submarine USS Columbia (SSN 771) returned to Joint Base Pearl Harbor-Hickam Monday, May 3, following a six-month deployment to the western Pacific region. “This was an incredibly su..