U.S. Air Force Lt. Col. George Nichols, 86th Civil Engineer Squadron commander, stands at attention during a 9/11 retreat ceremony on Ramstein Air Base, Germany, Sept. 11, 2017. Kaiserslautern Military Community first responders honored their colleagues who lost their lives conducting rescue operations during the 9/11 attacks 16 years ago. (U.S. Air Force photo by Airman 1st Class Joshua Magbanua)
{}