NELLIS AIR FORCE BASE, Nev. --   Dr. Ravi Chaudhary, Assistant Secretary of the Air Force for Energy, Installations, and Environment (SAF/IE), speaks to the 57th Wing and 99th Air Base Wing leadership during a visit to Nellis Air Force Base, Nevada, July 31, 2024. SAF/IE provides guidance, direction, and oversight for all matters pertaining to the formulation, review, and execution of plans, policies, programs, and budgets. (U.S. Air Force photo by Airman 1st Class Timothy Perish)