The U.S. Air Force E-11A Battlefield Airborne Communications Node (BACN) aircraft with tail number 22-9047 activated its transponder while on the ground in San Juan, Puerto Rico, according to an X post by @Arr3ch0 shared over the past hour ending at 2:15 AM UTC on December 28, 2025. The post described the aircraft as the "WiFi in the sky" and noted it arrived in Puerto Rico with the transponder turned off. On December 19, the aircraft was active in the Caribbean region before returning to the United States the same day, as stated in the X post at https://x.com/Arr3ch0/status/2005092498415247785. This observation represents the sole update within the reporting window from 1:15:27 AM to 2:15:46 AM UTC on December 28, 2025.
