A U.S. Air Force C-17A Globemaster III, callsign REACH439 and registration 06-6167, departed Campbell Army Field at Fort Campbell for Aguadilla, Puerto Rico, according to a post on X by @Flightwatcher1 during the 1 hour and 29 minute reporting window from 1:16:03 PM to 2:45:39 PM UTC on January 1, 2026. The post provided hex code AE1465 and noted that Campbell Army Field is home to the 160th Special Operations Aviation Regiment "Nightstalkers," 101st Airborne Division, and 5th Special Forces Group "Green Berets." It included hashtags #PuertoRico, #SOUTHCOM, and #OpSouthernSpear. This departure follows a previous report of an E-3G aircraft from the 552nd Air Control Wing, registration 76-1604, departing KMCF for the Caribbean earlier on January 1, 2026, on a continuous New Year mission, according to an X post by @HHunternight. No official statements from U.S. Air Force or U.S. Southern Command authorities were reported during this period.