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, officials said.

A close call between a Delta Air Lines Airbus A319 taking off from Ronald Reagan Washington National Airport and a US Air Force T-38 jet, often used by the military for training, sounded alarms in the cockpit of the passenger plane Friday.

A close call between a Delta Air Lines Airbus A319 taking off from Ronald Reagan Washington National Airport and a US Air Force T-38 jet, often used by the military for training, sounded alarms in the cockpit of the passenger plane Friday.