This Phantom served with the Thunderbirds until December 1973, when it went to Edwards AFB for use an an NF-4E chase plane. Its last flight as such was on 21 March 1991, and it went to AMARC a few days later. It was delivered to the Castle Air Museum in January 1995 and placed on display as Thunderbird "6" in April of that year. It actually flew as such in 1972/1973.