Stealth: 39.905 N, 125.493 E

By request:

A wider angle view:

These are the infamous An-2 Colts, which the North Korean Special Forces would use to cross into South Korea by flying too low to be picked up on radar, and by taking advantage of the Colt’s stealthy wood and fabric construction. The Chinese version is called the Y-5. Note what appear to be underground hangars.