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The Navy Vol_37_Part1 (Feb-Mar-Apr, May-June-July 1975)

The Navy Vol_37_Part1 (Feb-Mar-Apr, May-June-July 1975)

The Navy Vol_37_Part1 (Feb-Mar-Apr, May-June-July 1975)

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Shoalhaven Brake & RepairService Pty LtdAuthorised Agents for the Better BrakesOrganisationAll Types of Automotive. Industrial andAgricultural Brake Repairs and Modifications —PBR Power Brakes — Safety Circle Stockists —Exchange Bonded Brakes for All Popular VehiclesNowra 2 3123Member Motor Traders Association of NSW79 NORTH ST, NOWRA, NSWSOUTH COAST CANVASManufacturers and Wholesalers of* Caravan Annexes * Tarpaulins * Blinds* Trailer Covers and All Canvas Repair Work• Tents • Boat Covers • AwningsNowra 2 3366After Hours: Nowra 2 363528 EAST ST, NOWRA, NSW 'SUSSEX INLETTRANSPORT SERVICE* » *• General Carriers • Taxi Trucks • FurnitureRemovalists • Storage • Express DeliveryAustralia-wide • Radio Controlled Vehicles* * *5 GRAHAM AVE, NOWRA, NSWTelephone: Nowra 2 2996BOB WALKER'SRADIATOR SERVICECLEANING — REPAIRS — RECORESTelephone: Nowra 20681"NEWCELL" CORES18 EAST ST, NOWRA, NSWCONCRETE• Topping • Crushed Blue Metal • SandBomaderry Ready MixedConcrete Pty LtdBOLONG RO, BOMADERRY, NSWPhone: Nowra 2 3943 or 2 3944FLAMINGO FLORISTNowra Interflora AgentSpecialists in * Sheaths " Wedding Bouquets• All Floral Tributes • Indoor Plants * DriedFlower ArrangementsFree Local DeliveryPhone: Nowra 2 200751 KINGHORN ST, NOWRA, NSWAfter Hours: Nowra 2 <strong>37</strong>66<strong>Navy</strong> Personnel are Invited to Select from FullRange of• Wide Wheels • Batteries e New Tyres • Recaps• For Cars, Trucks and TractorsmmmmmmmmmmmmmmmrmmmMURPHY'S TYRE SERVICE14 KINGHORN ST, NOWRA, NSWTelephone: Nowra 2 2<strong>37</strong>1Prince of Wales HotelWelcomes Ail <strong>Navy</strong> Personnel• Tooths OM and Resells Always on Tap• Friendly Atmosphere AssuredKINGHORN ST, NOWRA, NSWTelephone: Nowra 20316Page Thirty-four THE NAVY <strong>May</strong>/Jun*Muiy,they are activated, but only on thesecond or more times a shipactivates them.Whilst mines can be laid easily,cheaply and by relatively unsophisticatednavies. MCM has becomecomplex and expensive. Limitedfunds for MCM must be used toensure the ability to deal with alltypes of mines.<strong>The</strong> large number of minesweepersconstructed by the Democracies.as a result of the painfullessons of the Korean War. are nowapproaching the end of their usefullives. At the same time, the Totalitariancountries have shown anawareness of the potential of themine, and the United States demonstratedonly two years ago the prohibitiveeffect mines can have uponmaritime trade.<strong>The</strong> coincidence of these threeevents has led the Democracies toconsider carefully the next generationof MCM craft and the methodsthey will use to neutralise mines.So far as craft are concerned, twopossibilities have been considered— surface craft and helicopters. <strong>The</strong><strong>May</strong>/<strong>June</strong>/<strong>July</strong>, <strong>1975</strong>1 «C *nape oj imngs on uie way; a model of the Vosper Thornycrojt47 metre minehunter, showing the wide variety oj gear carried;more versatile and more expensive. <strong>The</strong> two Sperry Cats are stowedwith their own davits just abaft the funnel; abreast the Gemini dinghyis a decompression chamber and abaft this is the stowage for minedisposalweapons (over the winch). Seamen will be glad to see thatthere is still some clear deck-space.USN has apparently chosen the helicopter(AMCM) as a solution to theproblem. Her force of surface MCMside. This float supportsend of the sweep wire.THE NAVYthecraft has been allowed to decline innumbers, although it is noteworthythat both MCM and AMCM wereneeded to clear the mines the UShad laid in North Vietnamese waters.This operation — known as EndSweep — was made easier by the UShaving laid the mines in the knowledgethat they themselves could berequired to clear them. <strong>The</strong> mineslaid were of a type — magneticand/or acoustic — that can becleared by helicopters. <strong>The</strong> surfaceMCM craft were needed to clearmines of the same types in deeperwaters.<strong>The</strong> United States MCM Forceassigned to Operation End Sweepcomprised about thirty AMCM helicopters.and ten ocean minesweepers.<strong>The</strong> task took six monthsto accomplish. Two LPDs (landingships dock with helicopter pad) andone LPH (helicopter carrier) wererequired to support the helicopters.One elderly LST. modified for maintenanceduties, was all that wasrequired to support the minesweepers.<strong>The</strong> Europeans seem to have optedfor the surface MCM craft. <strong>The</strong>y werethe first to develop the use of the"sonar" method of mine clearance.This system, known as Minehunting.is practicable for clearing allknown types of ground mine. It wasfirst tried out at sea more than aP«t« Thirty-five

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