A U.S. passenger flight preparing to leave the nation’s capital and an incoming military jet received instructions to divert and prevent a possible collision.

The passenger jet was cleared for takeoff on Friday afternoon while four T-38 Talons were inbound to Arlington National Cemetery for a flyover.

The Federal Aviation Administration said it will investigate a close call that occurred on Friday between a Delta Air Lines flight and a U.S. Air Force jet near Reagan Washington National Airport. The incident follows a mid-air collision on January 29 near the same airport involving a passenger jet a U.