I-90 Exit 131 (Visitor Contact Station) is open in both directions. Exit 127 (Launch Control Facility) is closed to eastbound traffic, but open to westbound traffic. Pick up all tour tickets at exit 131. Allow extra time to travel to Delta-01 for tours.
History & Culture
National Park Service histories
The Missile Plains: Frontline Of America's Cold War is the Minuteman Missile Historic Resource Study. This in-depth study includes chapters on missile development, life in the missile field and the arms race. This study can be downloaded as a complete document or chapter by chapter.
Minuteman Missile Oral Histories are now online. These include valuable interviews with former missile field personnel, local citizens and contractor's who were part of the Minuteman's history for over three decades.
Did You Know?
South Dakota’s Minuteman Missile field covered 13,500 square miles. An area larger than the state of Maryland.