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Download A uniqueness result for a Neumann problem involving the by Grossi M., Lin C.-S., Prashanth S. PDF

By Grossi M., Lin C.-S., Prashanth S.

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Extra resources for A uniqueness result for a Neumann problem involving the critical Sobolev exponent

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US Navy) 54 over to the M60, wherever it would be. The weapon was a valuable asset, but that value dissipated quickly if the gun didn’t have any ammunition. The Navy SEALs, SOG, and other units quickly picked up the M60 after beginning combat operations in Southeast Asia. They liked the weapon a great deal, but found a drawback. Even though the weapon was called an LMG, after experience in moving through the jungles and wetlands, it wasn’t considered light enough. The SOF were given a great deal of leeway in adapting their weapons for operations, and the M60 was no exception.

The first M60 came off the production lines to extensive media coverage on December 29, 1958. The Armory agreed to deliver the first ten weapons and mounts in December 1958, with production gradually ramping up to meet a demand of 500 weapons per month carrying through September 1959. The Armory Operations Division completed weapons and mounts, but did not meet the production schedule. Some of the first batches of M60s and mounts went to the US Marine Corps (USMC) and to the 101st Airborne Division at Fort Campbell, Kentucky, for user testing.

The M60 would now be ready to defend a drop zone. The airborne forces were not the only ones interested in taking the M60 into the air, though. Army aviation had been using helicopters in increasing numbers since introducing them actively in the Korean War (1950–53). They voiced an interest in adapting the new M60 to the H13 Sioux, H21 Shawnee “Flying Banana,” and H34 Choctaw helicopters. 30-cal machine guns (a Browning M1919 variation) known collectively as the XM1 armament system. A study began into the possibilities of a helicopter-mounted M60, including weapon modifications for remote firing, remote charging, and positive safety.

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