EXERCISE WESTPAC RUMRUNNER III: USAF F-15C Eagles and an E-3 Sentry fly in formation after participating in exercise WestPac Rumrunner, which was run from Kadena Air Base, Japan. Photo taken Oct. 16, 2020. Here’s a background article on AWACS aircraft like the E-3 Sentry. Telling quote: “The AWACS proved to be a key to victory in the 1991, 2001, and 2003 campaigns. The critical element in this was knowing where all friendly aircraft were at all times.” (Typo corrected.)