An audience of NASA officials listen to a speaker during the 30th anniversary celebration in honor of the Space Shuttle Program's first shuttle launch.

An audience of NASA officials, Florida representatives, Kennedy employees and visitors, listen intently to a speaker during the 30th anniversary celebration in honor of the Space Shuttle Program's first shuttle launch. The event is being held at NASA's Kennedy Space Center Visitor Complex in Florida.

The celebration followed an announcement by NASA Administrator Charles Bolden where the four orbiters will be placed for permanent display after retirement. Photo credit: NASA/Kim Shiflett