On August 10 , 2018 , two F-15C 's from the 142nd , both originally Massachusetts Air National Guard fighters on a " swap " to the Oregon Air National Guard , intercepted a stolen Horizon Air Bombardier Q400 turboprop over Seattle . The fighters armed with live AIM-9 Sidewinder and AIM-120 AMRAAM missiles , intercepted and escorted the plane away from populated areas before it crashed on Ketron Island near McChord Air Force Base .
stolen Horizon Air Bombardier Q400 turboprop
2018 Horizon Air Q400 incident
Portland Air National Guard Base