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Squadron headquarters. An air photograph by Major Elsdale in of the Balloon School camp at Lydd in Kent. en Squadronheadquarters AnairphotographbyMajorElsdaleinoftheBalloonSchoolcampatLyddinKent Prvn sthac perut britsk Royal Air Force flightglobal html Major Elsdale died gracesguide co uk Elsdale Flight archives from Flightglobal