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An annular cutter (also called a core drill, core cutter, broach cutter, trepanning drill, hole saw, or cup-type cutter) is a form of core drill used to create holes in metal. An annular cutter, named after the annulus shape , cuts only a groove at the periphery of the hole and leaves a solid core or slug at the center.
USCGC Munro (WMSL-755) is the sixth Legend-class cutter of the United States Coast Guard. Munro is the second cutter named for Signalman First Class Douglas A. Munro (1919–1942), the only coast guardsman to be awarded the Medal of Honor. The US Navy destroyer escort USS Douglas A. Munro (DE-422) was also named for Munro.
The Heritage-class cutter, also known as the Offshore Patrol Cutter and the Maritime Security Cutter, Medium, is a cutter class of the United States Coast Guard (USCG), developed as part of the Integrated Deepwater System Program and built by Eastern Shipbuilding [4] and Austal USA. [5] Construction of the first vessel in the class began in ...
Stresses on the cutters are expected to be very severe. Structural analysis showed that some parts of the cutter could be expected to survive only 3 years. This was addressed in cutter 752 onwards, with the first two cutters receiving reinforcements. [50] WMSL-752, the Stratton, suffered corrosion and leaks within weeks of commissioning in 2012.
The Hōgen rebellion (保元の乱, Hōgen no ran, July 28 – August 16, 1156) [1] was a short civil war fought in order to resolve a dispute about Japanese Imperial succession. [2]
The 378-foot WHEC cutter program which created the Hamilton class was initiated in the 1960s. The Hamilton-class cutters were intended to fulfill both the peacetime and wartime requirements of the Coast Guard. [13] Construction at Avondale Shipyards on the lead ship, the Hamilton, began in the 1960s and the cutter was commissioned on March 18 ...