060721-N-0857S-003 (Jul. 21, 2006)US Navy (USN) Boatswain's Mate 2nd Class (BM2) Timothy Colwart (foreground) performs bowhook lookout duties while USN Boatswain's Mate 1ST Class (BM1) Victor Arroyo operates the Naval Support Activity (NSA) New Orleans, Louisiana (LA), flag barge during a maintenance test run on the Mississippi River. The boathouse Sailors provide shuttle boat service for USN military and civilian personnel that travel between NSA's two facilities located on the east and west banks of the river.U.S. Navy official photo by Sam Shore (RELEASED)