Airplane

"It definitely shocked him. He was walking back to the building and got quite a wakeup call," Capitol Police Chief Matthew Clancy said

A Florida motorcycle unit poses with the crew of a U.S. Air Force B1 bomber at an air show

"Hearing the train and feeling the vibrations, and just hearing crumpling metal … that was really close," an officer said

The free exhibit chronicles the history, evolution and heroes of law enforcement aviation

"It was very surreal," said Sgt. Cavasteny, after realizing the train wasn’t stopping. “I thought, ‘man, is this really happening?'"

LAPD officers had only seconds to save a pilot who had made an emergency landing on train tracks

Delta Airlines praised the marshal's "quick action and professionalism"

The man lunged for the weapon when it was discovered in his bag at a security checkpoint

Chief Greg Graham was the only person in the single-engine private plane

Stoneham police officer Joe Ponzo says he was vacationing at the right place at the right time

Officers returning from the funeral helped restrain an unruly passenger on a JetBlue Airways flight until the plane was diverted to Chicago

The passenger plane had been headed for Panama with 183 passengers and six crew members when the passenger threatened to blow up the plane.