M170 Jeep Ambulance, variant of the M38A1. The open-air jeep is parked in a field. On one side of the bed of the jeep, three servicemen sit facing the two litters positioned one on top of the other on the other side of the jeep's bed. In each litter, a serviceman lies on his back and is covered with a blanket. Photo, during demonstration of the vehicle in the field at Medical Field Service School, Brooke Army Medical Center, Fort Sam Houston, TX, 19 Jan 1953.