Centennial Walk A KC-135 Stratotanker, eight KC-46A Pegasus and five C17 Globemaster IIIs perform an elephant walk before taking off to participate in Operation Centennial Contact at Joint Base McGuire-Dix-Lakehurst, N.J., June 27, 2023. Since its inception in 1923, air refueling has become a crucial component of the Air Force's global reach by extending the range and endurance of aircraft and enabling them to complete missions that would otherwise be impossible or require multiple stops. SHARE IMAGE: Download Image: Full Size (1.52 MB) Tags: air force Photo By: Air Force Senior Airman Sergio Avalos VIRIN: 230627-F-PJ095-1110W.JPG Photo Gallery