According to this link:
http://www.82ndfightergroup.org/scorecard.html
the P-38 pilot was 2nd Lt. Eldon E. Coulson, who was credited with 1 - P-51(Axis) shot down on October 29, 1944.
Coulson was killed on Nov 7 in an incident involving Soviet Yak 3 fighters at Nis.
https://worldwarwings.com/nis-incident-p38-vs-yak3/