Two of the U.S. Army's Golden Knights parachute team performing in the air above Nellis Air Force Base, Nevada. Site Name: Nellis Air Force Base (Nev.)
Aerial view showing the twelve central girders installed as support for the eventual bridge deck, February 3, 2010. Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "A worker climbs up a stairwell of the Nevada side arch construction, May 20, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Aerial view looking down the canyon with the Nevada hairpin turn of the old highway in the foreground." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Aerial view of bridge and the hairpin turn of the old Nevada road, June 30, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "View from the dam sidewalk downstream toward the bridge, before dawn, July 2, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "From the air, the relationship of the Colorado River, bridge, dam and Lake Mead come into perspective." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Afternoon aerial view of the river, bridge, dam and Lake Mead, January 14, 2011." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Afternoon aerial view of the river, bridge, dam and Lake Mead, January 14, 2011." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Afternoon aerial view of the river, bridge, dam and Lake Mead, January 14, 2011." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge