c15 F-106 Delta Dart
A F-106 Delta Dart of the Montana Air National Guard. The Convair F-106 Delta Dart was the primary all-weather interceptor aircraft for the United States Air Force from the 1960s through the 1980s. Designed as the so-called "Ultimate Interceptor", it has proven to be the last dedicated interceptor in U.S. Air Force service to date. (wikipedia)