An F-35 Lightning II maintainer stands by to marshal Maj. Will Andreotta, 61st Fighter Squadron F-35 hertage flight pilot, during the Heritage Flight Training and Certification Course Feb. 10, 2017, at Davis-Monthan Air Force Base, Ariz. Heritage and demonstration teams need to be certified annually to participate in open houses and air shows worldwide. (U.S. Air Force photo by Senior Airman James Hensley)