Between 500 and 650 commercial aircraft are retired annually, with the industry experiencing waves and troughs.
“Each one of these jets, which are based on the Boeing 737 Next Generation airliner, costs just over $171 million, according to Navy budget documents. So repairing even a seriously damaged example ...
The process of retiring aircraft, including the F-16s, is formalized through the USAF’s annual budget proposals submitted to Congress as part of the Department of Defense’s fiscal year (FY) requests.