A U.S. Air Force C-130J Super Hercules aircraft starts engines at the Luis Muniz Marin International Airport in Carolina, Puerto Rico, Feb. 18, 2023. (U.S. Air Force photo by Airman 1st Class Courtney Sebastianelli) C-130s and KC-135s have been spotted flying in a plain grey livery with low-visibility USAF roundels and a small US flag …
