Keywords: 4477th Test and Evaluation Squadron MiG-23MS with 2 Nellis A-10s.jpg en 4477th Test and Evaluation Squadron MiG-23MS with 2 Nellis A-10s 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 |