Akwesasne Police said the choppers are not pursuing an active threat, but rather will be part of "broader security efforts" and could be used alongside drones and surveillance towers near the border.

Cockpit warnings logged by air traffic controllers show a record of persistent collision risks near Reagan National Airport ...

More than two weeks after a helicopter and airplane collision over Washington killed 67 people, investigators have completed their work at the scene where both aircraft fell into the Potomac River in ...