Public Domain Mark 1.0falsefalse English U.S. transport unloading horses and mules by chutes, Bassens Docks, Bordeaux, France. - NARA - 55180857 (avril 1918)
Troops of the 173rd Airborne Brigade with full field equipment and two Army "Mules" march from the airfield to their defensive area, 5 May 1965 applies
US Army. Small robotic mule, other unmanned ground systems on the horizon —Sean Kimmons, Army News Service (June 4, 2020) --Small Multipurpose Equipment