Parachute and combat dive training incidents account for the bulk of special operations training mishaps.

A defense official said the interception was safe and professional. However, it comes at a time of increasing tension between the U.S. and Russia.

Troops involved in Operations Prosperity Guardian, Poseidon Archer and Pandora Throttle are qualified for the award.

The Air Force didn’t identify who was behind the incursions, but said officials determined there was no impact on residents or critical infrastructure.