Keywords: 4477th Test and Evaluation Squadron MiG-21 F-13 with Nellis F-16.jpg en 4477th Test and Evaluation Squadron MiG-21 F-13 with Nellis F-16 s 1980 United States Air Force photo via Peck Gaillard R Jr 2012 America's Secret MiG Squadron The Red Eagles of Project CONSTANT PEG General Aviation Osprey Publishing; First Edition ISBN-13 978-1849089760 United States Air Force photo other versions PD-USGov Uploaded with UploadWizard Tonopah Test Range Airport Constant Peg 4477th Test and Evaluation Squadron |