Bill Sovitsky, a 20-year U.S. Air Force veteran, is pictured in 2014 at Stead Field, home to a Nevada Army National Guard MEDEVAC unit. One of Sovitsky’s federal civilian roles over his total 40 years of combined service included equipment testing for the Air Force and Army. He will retire from Army Medical Logistics Command at the end of March. (Courtesy)

Bill Sovitsky is pictured in 2013 at the Air Force Academy during a U.S. Army Medical Materiel Agency test event for an oxygen generator system. Sovitsky, a 20-year Air Force veteran, will retire from Army Medical Logistics Command at the end of March after 40 years of combined federal service. (Courtesy)

Bill Sovitsky, a 20-year veteran of the U.S. Air Force, is pictured in 1983 during basic military training at Lackland Air Force Base in San Antonio, Texas. Sovitsky will soon retire after 40 years of combined federal service. (Courtesy)

Bill Sovitsky, a 20-year veteran of the U.S. Air Force, is pictured in 1983 during basic military training at Lackland Air Force Base in San Antonio, Texas. Sovitsky will soon retire after 40 years of combined federal service. (Courtesy)