U.S. Marine Corps Cpl. Nicholas Longden and Lance Cpl. Romig Beley, both low altitude air defense gunners with the Air Combat Element of the 22nd Marine Expeditionary Unit, fire a FIM-92 Stinger during Fleet Battle Problem 22-1, aboard amphibious assault ship USS Kearsarge (LHD 3), March 20, 2022. FBP 22-1 integrates naval capabilities to support special operations, provide defense ashore and at sea, and develop the use of unmanned underwater vehicles. - U.S. Marine Corps Cpl. Nicholas Longden and Lance Cpl. Romig Beley, both low altitude air defense gunners with the Air Combat Element of the 22nd Marine Expeditionary Unit, fire a FIM-92 Stinger during Fleet Battle Problem 22-1, aboard amphibious assault ship USS Kearsarge (LHD 3), March 20, 2022. FBP 22-1 integrates naval capabilities to support special operations, provide defense ashore and at sea, and develop the use of unmanned underwater vehicles.