Location: 5th Bombardment Wing, Minot Air Force Base, North Dakota. Airplane Ec-135. Scene Showing Practice Scrambles For Alert Exercise. This Aircraft Is An Airborne Command Post For B-52 Bombers. Puff Of Smoke Behind Plane Is From Starter Cartridges.Crew For The Ec-135 Includes A General And Intelligence Officers Manned 24 Hours A Day.