History: US soldiers fire a M107 self-propelled gun during the Battle of Khe Sanh, Vietnam, 1968 [989 x 768]

https://upload.wikimedia.org/wikipedia/commons/thumb/9/98/M107_Firing_Vietnam_2.jpg/989px-M107_Firing_Vietnam_2.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/lb3dlh/us_soldiers_fire_a_m107_selfpropelled_gun_during/?utm_source=ifttt