Keywords: PrimeChanceWimbrown7PatrolBoat.jpg A U S Navy crewman stands atop the cabin of a PB Mark III patrol boat tied up to the barge Wimbrown 7 during a pause in operations The barge is heavily armed carrying from lower to upper right an M-2 50-caliber machine gun a Mark 2 81mm mortar and a Mark 19 40mm grenade-launcher The patrol boat and barge are among the Navy assets being used to provide security for U S -flagged shipping in the Persian Gulf 1988-11-01 Camera Operator PH1 Dwayne Smith DoD DVIC ID DNST8908848 PD-USN Operation Prime Chance Browning M2 of the US Navy Mk 19 grenade launcher Patrol boats of the United States Navy |