Eight-year-old Noah Misselt from Box Elder, S.D., tests his flight helmet with help from Airman 1st Class Jory Bordreaux and Senior Airman Jennifer Lopez, 34th Bomb Squadron aircrew flight equipment technicians, during the Aircrew for a Day program at Ellsworth Air Force Base, S.D., March 4, 2011. Noah was diagnosed with leukemia in 2008, and began chemotherapy almost immediately. (U.S. Air Force photo/Senior Airman Anthony Sanchelli)