The U.S. Air Force E-11A Battlefield Airborne Communications Node aircraft, callsign BACN07 (22-9047), was tracked stationary on the ground at Luis Muñoz Marín International Airport in San Juan, Puerto Rico, at 12:35 p.m. EST (5:35 p.m. UTC) on Dec. 27, according to an X post by @FrozenFrequency shared between 3:45 a.m. and 4:15 a.m. UTC. The post at https://x.com/FrozenFrequency/status/2004760760900350246 states the aircraft "is still located" at the airport, as reported in this 29-minute window ending at 4:15 a.m. UTC. This tracking occurs amid U.S. military presence in the Caribbean region, including Marine Corps night flight operations aboard USS Iwo Jima earlier on Dec. 27 and prior B-1B Lancer bomber refueling southeast of the Bahamas, according to previous reports from @mhmiranusa, @AirAssets and others.