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M107

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The M107 155mm projectile is the US Army's standard high-explosive (HE) projectile used principally for fragmentation and blast effects. The body consists of a hollow steel shell containing high explosive. A fuze adapter is screwed into the body and brazed in place.

Messier object M107, also known as NGC 6171, is a very loose globular cluster close to the galactic plane in the constellation Ophiuchus, about 20,000 light years from Earth.

RA: 16:32.5
Dec: -13:03
Visual magnitude: 7.9
Size: 10.0 arc minutes

See also: Messier 107 (http://www.seds.org/messier/m/m107), SEDS Messier pages

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