This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
M FCU . en The Office of Naval Research's new Fire Control Unit mm Mortar sight also contains an onboard ballistic library allowing for multiple cartridge employment stripes gallery John Williams Navy Mortar Marine Corps Base Quantico PDUSGovMilitaryNavy
Page 2023 Free-images.com. All images are Public Domain