Pacific Pair An MQ-9 Sea Guardian unmanned maritime surveillance aircraft system flies over the littoral combat ship USS Coronado in the Pacific Ocean, April 21, 2021 during U.S. Pacific Fleet’s Unmanned Systems Integrated Battle Problem 21. The exercise integrates manned and unmanned capabilities into challenging operational scenarios to generate warfighting advantages. SHARE: Download: Full Size (0.94 MB) Tags: technology, Lethality, training, Navy, Unmanned Systems Integrated Battle Problem 21 Credit: Navy Chief Petty Officer Shannon Renfroe VIRIN: 210421-N-FC670-106Y.JPG Photo Gallery