The Russian Defense Ministry says that its air forces have begun a massive exercise involving hundreds of aircraft and thousands of service personnel.
Radio Free Europe/Radio Liberty: Huge air force drill under way in Russia
Two US F-15C Eagles fighter jets, assigned to the 159th Expeditionary Fighter Squadron, fly over the Leeuwarden Air Base, northern Netherlands, on April 3, 2015, as part of a deployment for Operation Atlantic Resolve.
