U.S. Air Force Senior Airman Kostiantyn Khymchenko, center, 633d Civil Engineer Squadron heating, ventilation, air conditioning journeyman, takes a photo with his unit and daughter at Joint Base Langley-Eustis, Virginia, June 29, 2023. The 633d Civil Engineer Squadron motto is “lead the way” and they do so by preparing and sustaining natural and built infrastructures on base, protecting over $3.4 billion in mission assets. (U.S. Air Force photo by Airman 1st Class Mikaela Smith)