Atlantis at Kennedy Space Center

This June 20, 2013 photo shows the space shuttle Atlantis on display behind a mock up or the Hubble space telescope at the Kennedy Space Center Visitor Complex in Cape Canaveral, Fla. The 900,000 square-foot facility centering around the last shuttle to go into orbit will open to the public June 29.

This June 20, 2013 photo shows space shuttle Atlantis on display at the Kennedy Space Center Visitor Complex in Cape Canaveral, Fla. The 900,000 square-foot facility centering around Atlantis will open to the public June 29.

This June 20, 2013 photo shows the space shuttle Atlantis on display at the Kennedy Space Center Visitor Complex in Cape Canaveral, Fla. The 900,000 square-foot facility centering around the last shuttle to go into orbit will open to the public June 29.

Space shuttle Atlantis is seen on display at the Kennedy Space Center Visitor Complex, Thursday, June 20, 2013, in Cape Canaveral, Fla. The 900,000 square-foot attraction centering around Atlantis will open to the public June 29.

This June 20, 2013 photo shows the space shuttle Atlantis on display at the Kennedy Space Center Visitor Complex in Cape Canaveral, Fla. The 900,000 square-foot facility centering around the last shuttle to go into orbit will open to the public June 29.

This June 20, 2013 photo shows the entrance to the space shuttle Atlantis exhibit at the Kennedy Space Center Visitor Complex in Cape Canaveral, Fla. The 900,000 square-foot facility centering around the last shuttle to go into orbit will open to the public June 29.

In this June 20, 2013 photo, an astronaut is mounted overhead in the space shuttle Atlantis attraction at the Kennedy Space Center Visitor Complex, in Cape Canaveral, Fla. The 900,000 square-foot facility centering around Atlantis will open to the public June 29.

Space shuttle Atlantis is seen on display at the Kennedy Space Center Visitor Complex, Thursday, June 20, 2013, in Cape Canaveral, Fla. The 900,000 square-foot attraction centering around Atlantis will open to the public June 29.