Amateur combat cameraman learns about shockwaves while filming outgoing artillery
/r/shockwaveporn: Shock Wave Porn - A subreddit dedicated to shockwaves Definition: "region of abrupt change of pressure and density moving as a wave front at or above the velocity of sound, caused by an intense explosion or supersonic flow over a body" - June 2, 2021 - 00:31
Amateur combat cameraman learns the difficulties of filming artillery at a personal level
/r/MilitaryGfys: MilitaryGfys: Military moments from around the world - *MilitaryGfys* is a place for sharing military moments from around the world and throughout history in the small, easy to share html5/WebM video format, also known as Gfys! - June 2, 2021 - 00:30