H-307 is former USAAF P-51K-10NT 44-12125 but has also parts from other P-51's as well as a set of wheels from an AT-16. '412125' saw wartime service with the 82nd FS, 78th FG at Duxford. The H-307 of the NEIAF was a P-51D, ex USAAF 44-12756.