The Don Englebreston Collection
View Through Aircraft Optical Ranging Sight ('100 MILS' Reticle) with Distant Jet Aircraft, Vietnam War Era
A view through an aircraft optical sighting reticle marked '100 MILS,' showing a distant jet aircraft framed within the ranging circles — a glimpse of the specialized optics used by USAF aircrews for gunnery or aerial refueling during the Vietnam War. Project: 218905