Demonstrating its commitment to a "free" and "secure" Europe, the United States deployed 12 F-15C Eagles and approximately 350 airmen to Iceland and the Netherlands on Friday, the Air Force announced.
CNN: US F-15s deployed to Iceland to deter Russian aggression

A US F-15 fighter jet is parked on the tarmac of the Leeuwarden Airbase during NATO's annual Frisian Flag 2015 military air combat exercise, on April 14, 2015.