A Phalanx close-in weapons system (CIWS) aboard the Ticonderoga-class guided-missile cruiser USS Cowpens (CG 63) fires at a missile decoy towed by a jet on a long cable. Cowpens is part of the George Washington Carrier Strike Group based out of Yokosuka, Japan, and is conducting a patrol of the western Pacific Ocean. (U.S. Navy photo by Mass Communication Specialist 3rd Class Paul Kelly/Released)
Does anyone know if all of the Phalanxes in the active fleet have been upgraded to Block 1B? Based on earlier purchase schedules, Murdoc would guess that there are still quite a few waiting to be upgraded.
More info on the Phalanx CIWS here.