The U.S. Navy Flight Demonstration Team Blue Angels F/A-18 Hornets practice an aerial maneuver for the Defenders of Liberty Air Show on Barksdale Air Force Base, Louisiana, April 30, 2015. The mission of the Blue Angels is to showcase the pride and professionalism of the United States Navy and Marine Corps by inspiring a culture of excellence and service to country through flight demonstrations and community outreach. (U.S. Air Force photo/Senior Airman Benjamin Gonsier)
The U.S. Navy Flight Demonstration Team Blue Angels F/A-18 taxi down the runway at Barksdale Air Force Base, Louisiana, April 30, 2015. The Blue Angels will be headlining the 2015 Defenders of Liberty Air Show. (U.S. Air Force photo/Senior Airman Benjamin Gonsier)
Capt. Tom Frosch, U.S. Navy Flight Demonstration Team Blue Angels commanding officer, gives the thumbs up after landing on Barksdale Air Force Base, Louisiana, April 30, 2015. The Blue Angels, based at Naval Air Station Pensacola, Florida, is the Navy's premier aerial demonstration team, performing at air shows and special events worldwide. (U.S. Air Force photo/Senior Airman Benjamin Gonsier)
Capt. Tom Frosch, United States Navy Flight Demonstration Team Blue Angels commander, speaks to local media on Barksdale Air Force Base, Louisiana, April 30, 2015. Frosch visited Barksdale to begin final preparations with base organizations for the 2015 Defenders of Liberty Airshow scheduled for May 2-3. (U.S. Air Force photo/Airman 1st Class Curt Beach)