ENID, Okla. (AP) — Military officials say two airmen have been killed in a “mishap” involving two jets at an Air Force base in northwestern Oklahoma.

Vance Air Force Base said in a news release that two T-38 Talons with two people aboard each aircraft were taking part in a training mission when the mishap occurred shortly after 9 a.m. Thursday.

The military hasn’t released the conditions of the others involved or any names.

TV footage from the scene shows one aircraft upside down on grass near a runway and the second aircraft upright on the runway.

The base about 65 miles northwest of Oklahoma City says on its website that the T-38 Talon is a twin-engine, high-altitude, supersonic jet used in a variety of jet pilot training roles.

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