Two Marines built six machine guns the Marine Corps never authorized. They had ten weeks, hand tools, and aircraft parts pulled from scrap bins.
In November 1944, Sergeant Mel Grevich and PFC John Lyttle began modifying AN/M2 aircraft machine guns at Camp Tarawa, Hawaii. The standard M1919A6 fired 400 rounds per minute. Their modified weapons fired 1,200. Three times faster. Seven pounds lighter. Operated by one Marine instead of three. No paperwork. No approval from ordnance. No serial numbers.
The 28th Marines were about to land on Iwo Jima — directly beneath Mount Suribachi, against 21,000 entrenched defenders. Grevich knew the regulation guns wouldn't cut it. So he built something that wasn't supposed to exist.
On February 19, 1945, all six weapons hit Green Beach. What they did in the next 72 hours — and what happened to the men behind them — was never officially recorded.
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