74,752 research outputs found

    A Loss of the HMCS \u3cem\u3eClayoquot\u3c/em\u3e

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    The torpedo struck without warning. HMCS Clayoquot was returning from an anti-submarine sweep in the approaches to Halifax harbour when its stern rose into the air, mangled by the detonation of a German T-5 acoustic homing torpedo. The men aboard felt two concussions, the second likely being depth charges stored on Clayoquot’s stern set off by the torpedo. Whatever the details, the explosions were devastating for the small Bangor class minesweeper. A grainy photograph of the doomed ship shows the stern blasted vertical, the ship listing to starboard. Clayoquot lasted barely ten minutes after being hit, just long enough for all but eight of her crew to escape. The worst fate befell two young officers trapped in the port forward-cabin. These men called out through a port hole for axes to chop their way to freedom, but all the axes were underwater. The merciless sea closed around them as the ship vanished

    Confronting Technological and Tactical Change: Allied Anti-Submarine Warfare in the Last Year of the Battle for the Atlantic

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    The recall of German U-boat wolfpacks from the central north Atlantic at the end of May 1943 ended the most costly phase of the shipping war for the Allies. Never again would the German U-boats inflict dangerously high shipping losses. The naval war remained bitter, nonetheless, for the U-boats refused to give up, turning instead to new technology and new tactics. Right to the end, they continued to present a plausible threat that caused concern in high Allied circles. Indeed, in January 1945 the First Sea Lord of the Admiralty was moved to warn that, “The high shipping losses which may occur during the first half of 1945 may well prejudice the maintenance of our forces in Europe....” The ensuing struggle in early 1945 led to a confrontation and tactical changes by the U-boats countered by operational and tactical adaptation produced in reply by Allied anti-submarine warfare (ASW) forces. This last phase of the battle of the Atlantic was fought out for the most part in the confusing and difficult shallow waters around the coasts of the United Kingdom and off the east coast of Canada, moving to the shores of the United States only in the last few months of the war. This campaign provides insights into how new and unexpected initiatives by an enemy could be dealt with even when no technological solutions were readily at hand. It also illustrates the difficulty that both submarine and antisubmarine forces encounter when operating in the challenging environment of shallow water

    The Rule That Isn\u27t a Rule - The Business Judgment Rule

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    New York Power Authority and Utility Workers Union of America, Local 1-2, AFL-CIO

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    Use of Spotted Knapweed/Star Thistle (Asterales: Asteraceae) as the Primary Source of Nectar by Early Migrating Monarch Butterflies (Lepidoptera: Nymphalidae) from Beaver Island, Michigan

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    Recent observations over the past decade suggest that the invasive star thistle (aka spotted knapweed (Centaurea stoebe L.) provides much of the nectar that supports monarch butterflies (Danaus plexippus) in their pre-migratory and early migratory flight from the Beaver Island archipelago, an isolated chain of islands located in northern Lake Michigan. With the advent and continuation of global climate change, the opportunistic evolutionary changes that may take place between migrating monarchs and their dependence on non-native nectariferous plants, prior to migration, is worth further documentation and examination

    ANCSA and 1991: A Framework for Analysis

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    Exotic Searches at ATLAS

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    We present the first results of searches for new physics with the ATLAS detector using the 2010 Large Hadron Collider proton-proton collision data at a centre of mass energy of 7 TeV. After a few months of operation, these searches already go beyond the reach of previous experiments, and start to explore new territories.Comment: Conference proceedings for Moriond EW 201
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