Specalist 4 Jeffrey Sielbeck, powder man of the 2nd Section of Battery C, 2nd Battalion, 11th Field Artillery, takes the temperature of a powder charge during live-fire artillery exercise at the US Army's Pohakuloa Training Area. The amount of powder in a charge changes with the temperature

A very large dataset of various big guns, howitzers, mortars, columbiads, all types of canon-like things - everything besides machine guns and rockets. This collection as well as all massive collections on Picryl.com required two steps: First, we picked a set to train AI vision to recognize cannon artillery, and after that, ran all 25M+ images in our database through our image recognition network. All media in the collection is in the public domain. There is no limitation on the dataset usage - educational, scientific, or commercial.