U. S. Air Force combat controllers gather for a relay march of more than 800 miles from Lackland Air Force Base, Texas to Hurlburt Field, Florida. The march is in memory of 12 special tactics Airmen who died in combat in Iraq and Afghanistan. The march starts at Lackland where combat controller training starts. It ends 10 days and five states later at Hurlburt Field where Airmen become combat controllers. The formation leaves the Lackland Training Annex, Lackland, led by Mark Espinosa, combat controler who was wounded in Afghanistan. (U.S. Air Force photo/Airman 1st Class Brian McGloin)