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41Opposite:Continuationand(belowright)conclusionoftheBattleoftheAtlantic.Below:AU-boatvictimburnsinmid-Atlantic.Bythesummerof1943theworstAlliedshippinglosseswereover.correspondingshippinglosses.InMarch1943,theclimaxoftheBattleoftheAtlantic,120Alliedshipsweresunk.ThenthesupportgroupsreturnedfromNorthAfricanwaters,andtheUSindust-rialeffortpaiddividendsinacceleratedproductionofescortcarriersandotherneededequipment.Improvementsinradarandlong-rangescoutplanes,yearsinthemaking,cametothefore,andAlliedcrewsbegantocapitalizeontheirhard-wonexperience.InApril1943,ship-pinglossesdeclined,andthefollowingmonth41U-boatsweredestroyed.On22MaytheGermansubmarineswereorderedtowithdrawfromtheNorthAtlantic.Afterthesummerof1943,theU-boatswereneveragainthethreatthattheyhadbeen.The'wolf-pack'tacticwasabandonedin1944,andtheremainingsubmarinesprowledsinglyinanareain-creasinglyfocusedaroundtheBritishIsles.Atthewar'send,fewerthan200werestilloperational.AlliedvictoryintheAtlanticwaslargelyafunctionofsuperiorco-ordinationofeffort,whichultimatelyoffsettheinitialGermanadvantageinsubmarinetechnology.44Previouspages:TheGermanretreatfromElAlamein,November1942.Rommel'sFirstRight:TheGermanspresseastwardsthroughLibyaintoEgypt.OffensiveBelow:RommelentersEgypt.Bottomleft:RommelandhisofficersinspectacapturedBritishtank.Bottom:TheAlliesisolatedatTobruk.Belowright:Rommeldirectsoperations.hefirstGermantroopsbeganland-sionpenetratedtheTobrukperimeterabrokethroughtheHalfayaPassintoinginNorthAfricaonFebruaryshortdistance,butwasdrivenback.Ita-Egypt.RommelwasdissatisfiedwiththeT1941,undercommandofGeneralliantroopswerenowcominguptoreplacefailuretocaptureTobruk,andanotherErwinRommel,whowouldearnthenick-theGermanunitsmakingreadytocrossfull-scaleattackstrucktheBritishtherename'DesertFox.'Hisleadershipabili-theEgyptianfrontier.TheBritishgarri-on30April.AxistroopspushedasalienttieswereacknowledgedbycomradesandsonatTobrukwasisolatedinthemidstofintothewesternsector