Laser Rangefinder
Detailed Description
U.S. Army Sergeant looks through a long-distance laser rangefinder. Photograph credit: U.S. Department of Defense
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
