4/13/2012 - Participants view the Space Launch Complex-6 during the base public tour here Wednesday, April 11, 2012. Base tours are scheduled for the second Wednesday of every month. To participate in a tour visit www.vandenberg.af.mil and click on the "Public Tour Application" link. (U.S. Air Force photo/Staff Sgt. Andrew Satran)

4/13/2012 - Larry Hill, 30th Space Wing Public Affairs Office community relations chief, briefs participants during the base public tour here Wednesday, April 11, 2012. Base tours are scheduled for the second Wednesday of every month. To participate in a tour visit www.vandenberg.af.mil and click on the "Public Tour Application" link. (U.S. Air Force photo/Staff Sgt. Andrew Satran)

4/13/2012 - Participants gaze upon Missile V during the base public tour here Wednesday, April 11, 2012. Base tours are scheduled for the second Wednesday of every month.To participate in a tour visit www.vandenberg.af.mil and click on the "Public Tour Application" link. (U.S. Air Force photo/Staff Sgt. Andrew Satran)

4/13/2012 - Participants gaze upon Missile V during the base public tour here Wednesday, April 11, 2012. Base tours are scheduled for the second Wednesday of every month. To participate in a tour visit www.vandenberg.af.mil and click on the "Public Tour Application" link. (U.S. Air Force photo/Staff Sgt. Andrew Satran)

4/13/2012 - Larry Hill, 30th Space Wing Public Affairs Office community relations chief, explains Vandenberg's mission during the base public tour at Space Launch Complex-6 here Wednesday, April 11, 2012. Base tours are scheduled for the second Wednesday of every month. To participate in a tour visit www.vandenberg.af.mil and click on the "Public Tour Application" link. (U.S. Air Force photo/Staff Sgt. Andrew Satran)

4/13/2012 - John Coutley, a 30th Space Wing Public Affairs tour guide volunteer, talks about the history of Space Launch Complex-6 during the base public tour at SLC-6 here Wednesday, April 11, 2012. Base tours are scheduled for the second Wednesday of every month.To participate in a tour visit www.vandenberg.af.mil and click on the "Public Tour Application" link. (U.S. Air Force photo/Staff Sgt. Andrew Satran)

4/13/2012 - John Coutley, a 30th Space Wing Public Affairs tour guide volunteer, talks about the history of Space Launch Complex-6 during the base public tour at SLC-6 here Wednesday, April 11, 2012. Base tours are scheduled for the second Wednesday of every month.To participate in a tour visit www.vandenberg.af.mil and click on the "Public Tour Application" link. (U.S. Air Force photo/Staff Sgt. Andrew Satran)

4/13/2012 - John Coutley, a 30th Space Wing Public Affairs tour guide volunteer, discusses Vandenberg's history at the Heritage Museum on base during the base public tour here Wednesday, April 11, 2012. Base tours are scheduled for the second Wednesday of every month. To participate in a tour visit www.vandenberg.af.mil and click on the "Public Tour Application" link. (U.S. Air Force photo/Staff Sgt. Andrew Satran)

4/13/2012 - Participants view models and vintage space equipment at the Heritage Museum on base during the base public tour here Wednesday, April 11, 2012. Base tours are scheduled for the second Wednesday of every month. To participate in a tour visit www.vandenberg.af.mil and click on the "Public Tour Application" link. (U.S. Air Force photo/Staff Sgt. Andrew Satran)

4/13/2012 - Children on the base public tour play with a deactivated launch control console at the Heritage Museum on base during the public tour here Wednesday, April 11, 2012. Base tours are scheduled for the second Wednesday of every month.To participate in a tour visit www.vandenberg.af.mil and click on the "Public Tour Application" link. (U.S. Air Force photo/Staff Sgt. Andrew Satran)

4/13/2012 - Participants view models and vintage space equipment at the Heritage Museum on base during the base public tour here Wednesday, April 11, 2012. Base tours are scheduled for the second Wednesday of every month. To participate in a tour visit www.vandenberg.af.mil and click on the "Public Tour Application" link. (U.S. Air Force photo/Staff Sgt. Andrew Satran)

4/13/2012 - Participants view models and vintage space equipment at the Heritage Museum on base during the base public tour here Wednesday, April 11, 2012. Base tours are scheduled for the second Wednesday of every month. To participate in a tour visit www.vandenberg.af.mil and click on the "Public Tour Application" link. (U.S. Air Force photo/Staff Sgt. Andrew Satran)