Designation:E1978−11StandardSpecificationforShelter,Tactical,Expandable,Two-Side1ThisstandardisissuedunderthefixeddesignationE1978;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope1.1Thisspecificationcoversarigidwall,two-sideexpand-ableshelterconstructedofaluminum-faced,nonmetallichon-eycombsandwichpanelsandmeetingtheInternationalOrga-nizationforStandardization(ISO)cargocontainerspecificationinthetransportmode.Nominaldimensionswhenclosed(containermode)are:height8ft,width8ft,andlength20ft(2.4by2.4by6.1m).Approximatedimensionswhenexpanded(sheltermode)are:height8ft,width22ft,andlength20ft(2.4by6.7by6.1m).1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E864PracticeforSurfacePreparationofAluminumAlloystoBeAdhesivelyBondedinHoneycombShelterPanelsE865SpecificationforStructuralFilmAdhesivesforHon-eycombSandwichPanelsE866SpecificationforCorrosion-InhibitingAdhesivePrimerforAluminumAlloystoBeAdhesivelyBondedinHoneycombShelterPanelsE874PracticeforAdhesiveBondingofAluminumFacingstoNonmetallicHoneycombCoreforShelterPanelsE990SpecificationforCore-SpliceAdhesiveforHoney-combSandwichStructuralPanelsE1091SpecificationforNonmetallicHoneycombCoreforUseinShelterPanelsE1749TerminologyRelatingtoRigidWallRelocatableSheltersE1773PracticeforSealingRigidWallTacticalShelterswithPolysulfideBasedSealants...