"squadrons of Russian MiG 15s"

The Mikoyan-Gurevich MiG-15 was a Russian jet fighter plane.

Single-seat MiG 15
Creative Commons Attribution Share AlikeSingle-seat MiG 15 - Credit: Radomil, 6 June 2005, Poznań

It was created by Artem Mikoyan and Mikhail Gurevich and used widely in the Korean War – indeed, it was during this time that it rose to fame as it were.

The plane later became one of the most mass produced jet aircrafts ever made.