@historygraphic on Instagram: "Follow (us) for more This clever early experiment demonstrates how air power was first understood. When someone blows into the tube, the airflow sets a small turbine in motion, forcing air into a narrow cone. It’s a surprisingly effective illustration of how people once explored the science of pneumatics — centuries before advanced compressors and jet turbines existed. All content belongs to its respective owners. 💬 DM for credit or removal. No copyright infringem

31st MEU BLT 1/7 Heavy Weapons Machine Gun Range Description - Marines with Battalion Landing Team 1/7 conduct heavy-weapons training as part of the 31st Marine Expeditionary Unit’s readiness cycle. On the firing line, crews operate belt-fed machine guns to refine stability, burst control, and long-range engagement skills under field conditions. Assistant gunners monitor ammunition flow and impacts while range personnel ensure safe and realistic training. These live-fire repetitions strengthen c

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