Joint Chiefs chairman delivers Academy commencement

The Thunderbirds fly over as 1001 U.S. Air Force Academy cadets are commissioned as second lieutenants at the close of the class of 2010 graduation ceremony May 26, 2010, at the Academy in Colo. (U.S. Air Force photo/Rachel Spencer)

Joint Chiefs chairman delivers Academy commencement

Navy Adm. Mike Mullen congratulates Cadet 1st Class Brittany Morreale on her Rhodes Scholar achievements May 26, 2010, during graduation ceremonies at the U.S. Air Force Academy, Colo. Admiral Mullen was the commencement speaker for the graduation. He is the chairman of the Joint Chiefs of Staff. (U.S. Air Force photo/Bill Evans)

Joint Chiefs chairman delivers Academy commencement

Class of 2010 graduates salute for the national anthem at the commencement of the graduation ceremony May 26, 2010, at the U.S. Air Force Academy, Colo. Navy Adm. Mike Mullen delivered the commencement address. Admiral Mullen is the chairman of the Joint Chiefs of Staff. (U.S. Air Force photo/Mike Kaplan)

Joint Chiefs chairman delivers Academy commencement

Cadet 1st Class William Weindel salutes his classmates during the U.S. Air Force Academy class of 2010 graduation ceremonies May 26, 2010, at Falcon Stadium in Colorado Springs Colo. Cadet Weindel, the last cadet to cross the stage to receive his diploma, was honored with the traditional name "Tail End Charlie". (U.S. Air Force photo/Mike Kaplan)

Cadet candidates graduate from Prep School

Cadet Candidate Julianne Germain ascends the "stairway to heaven" during the final phase of U.S. Air Force Academy Preparatory School training May 15, 2010, at the Academy, Colo. Nearly 200 cadet candidates graduated from the prep school in a ceremony May 18, 2010, and nearly 190 received appointments to the Academy. (U.S. Air Force photo/J. Rachel Spencer)

Cadet research benefits Falcon Stadium

Air Force Academy Cadets 1st Class Caleb Becker (left) and Ben Saunders discuss field conditions with Mike Wehrmann, Falcon Stadium manager, at the Academy's Falcon Stadium April 30, 2010. The three are examining a cross-section of the artificial turf on the field. (U.S. Air Force photo/Lt. Meredith Kirchoff)

Children 'deploy' to Usafastan

Fadio Fenner, Blandon Beeler, Luke Ryktarsyk, Chief Master Sgt. Thomas Young, Ethan Gunn and Matthew Mikovits give their all in a tug-of-war contest during Operation Junior Deployer May 1, 2010, at the U.S. Air Force Academy in Colorado. Chief Young is the 10th Force Support Squadron superintendent. (U.S. Air Force photo/Staff Sgt. Don Branum)

Children 'deploy' to Usafastan

Senior Airman Jacob Heine familiarizes Andy Miller with an M-4 rifle during Operation Junior Deployer May 1, 2010, at the U.S. Air Force Academy in Colorado. Airman Heine is a patroller with the 10th Security Forces Squadron. (U.S. Air Force photo/Staff Sgt. Don Branum)

T-52A training flight

Air Force Academy Superintendent Lt. Gen. Mike Gould and Cadet 1st Class Luke Hyder perform a pre-flight inspection on a T-52A April 15, 2010, on the airfield at the U.S. Air Force Academy, Colo. The aircraft is the newest addition to the cadet flight training fleet. (U.S. Air Force photo/Mike Kaplan)

T-52A training flight

Lt. Gen. Mike Gould and Cadet 1st Class Luke Hyder perform a pre-flight inspection of a T-52A aircraft April 15, 2010, on the airfield at the U.S. Air Force Academy, Colo. The T-52A is the newest addition to the 557 Flying Training Squadron primarily used for cadet flight training. General Gould is the U.S. Air Force Academy superintendent. (U.S. Air Force photo/Mike Kaplan)

Competitors 'CANVAS' networks in hacking challenge

U.S. Air Force Academy Cadet 1st Class Bryan Hanes and Will Mitchell, a local student, participate in the Computer and Network Vulnerability Assessment Scenario April 2, 2010 at the Academy, Colo. Scenarios challenged students to hunt down and identify weaknesses in system design and implementation for a fictional social networking Web site. (U.S. Air Force photo/Bill Evans)

Cadets trade beaches for hammers during alternative spring break

U.S. Air Force Academy Cadet 3rd Class Sarah Sauter and Cadet 2nd Class Bridget Flatley work in muddy terrain while building a house as part of a Habitat for Humanity project March 22, 2010, in Victoria, Texas. Cadets volunteered for the project as part of the Academy's alternative spring break program. (U.S. Air Force photo/John Van Winkle)