diff --git a/lib/adiwg/mdtranslator/readers/mdJson/modules/module_platform.rb b/lib/adiwg/mdtranslator/readers/mdJson/modules/module_platform.rb
index 27477ab4..9a6d7c52 100644
--- a/lib/adiwg/mdtranslator/readers/mdJson/modules/module_platform.rb
+++ b/lib/adiwg/mdtranslator/readers/mdJson/modules/module_platform.rb
@@ -1,6 +1,6 @@
 require_relative 'module_citation'
 require_relative 'module_identifier'
-require_relative 'module_responsibileParty'
+require_relative 'module_responsibleParty'
 require_relative 'module_acq-instrument'
 require_relative 'module_acq-instrumentationEventList'
 
@@ -10,62 +10,70 @@ module Readers
             module MdJson
   
                 module Platform
-                    def self.unpack(hAcqPlatform, responseObj, inContext = nil)
+                    def self.unpack(hPlatform, responseObj, inContext = nil)
                         @MessagePath = ADIWG::Mdtranslator::Readers::MdJson::MdJson
 
-                        intAcqPlatform = intMetadataClass.newPlatform
+                        intMetadataClass = InternalMetadata.new
+                        intPlatform = intMetadataClass.newPlatform
 
-                        if hAcqPlatform.has_key('platformId')
-                            intAcqPlatform[:platformId] = hAcqPlatform['platformId']
+                        if hPlatform.has_key?('platformId')
+                            intPlatform[:platformId] = hPlatform['platformId']
                         else
                             @MessagePath.issueError(460, responseObj, inContext)
                         end
 
-                        if hAcqPlatform.has_key?('citation')
-                            hReturn = Citation.unpack(hAcqPlatform['citation'], responseObj, inContext)
+                        if hPlatform.has_key?('citation')
+                            hReturn = Citation.unpack(hPlatform['citation'], responseObj, inContext)
                             unless hReturn.nil?
-                                intAcqPlatform[:citation] = hReturn
+                                intPlatform[:citation] = hReturn
                             end
                         end
 
-                        if hAcqPlatform.has_key?('identifier')
-                            hReturn = Identifier.unpack(hAcqPlatform['identifier'], responseObj, inContext)
+                        if hPlatform.has_key?('identifier')
+                            hReturn = Identifier.unpack(hPlatform['identifier'], responseObj, inContext)
                             unless hReturn.nil?
-                                intAcqPlatform[:identifier] = hReturn
+                                intPlatform[:identifier] = hReturn
                             else
                                 @MessagePath.issueError(461, responseObj, inContext)
                             end
                         end
                         
-                        if hAcqPlatform.has_key('description')
-                            intAcqPlatform[:description] = hAcqPlatform['description']
+                        if hPlatform.has_key?('description')
+                            intPlatform[:description] = hPlatform['description']
                         else
                             @MessagePath.issueError(460, responseObj, inContext)
                         end
                         
-                        if hAcqPlatform.has_key?('sponsor')
-                            hReturn = ResponsibileParty.unpack(hAcqPlatform['sponsor'], responseObj, inContext)
-                            unless hReturn.nil?
-                                intAcqPlatform[:sponsors] = hReturn
+                        if hPlatform.has_key?('sponsor')
+                            hPlatform['sponsor'].each do |sponsor|
+                                hReturn = ResponsibleParty.unpack(sponsor, responseObj, inContext)
+                                unless hReturn.nil?
+                                    intPlatform[:sponsors] = hReturn
+                                end
                             end
                         end
 
-                        if hAcqPlatform.has_key('instrument')
-                            hReturn = AcqInstrument.unpack(hAcqPlatform['instrument'], responseObj, inContext)
-                            unless hReturn.nil?
-                                intAcqPlatform[:instruments] = hReturn
-                            else
-                                @MessagePath.issueError(461, responseObj, inContext)
+                        if hPlatform.has_key?('instrument')
+                            hPlatform['instrument'].each do |instrument|
+                                hReturn = AcqInstrument.unpack(instrument, responseObj, inContext)
+                                unless hReturn.nil?
+                                    intPlatform[:instruments] = hReturn
+                                else
+                                    @MessagePath.issueError(461, responseObj, inContext)
+                                end
                             end
                         end
 
-                        if hAcqPlatform.has_key('history')
-                            hReturn = AcqInstrumentationEventList.unpack(hAcqPlatform['history'], responseObj, inContext)
-                            unless hReturn.nil?
-                                intAcqPlatform[:history] = hReturn
+                        if hPlatform.has_key?('history')
+                            hPlatform['history'].each do |history|
+                                hReturn = AcqInstrumentationEventList.unpack(history, responseObj, inContext)
+                                unless hReturn.nil?
+                                    intPlatform[:history] = hReturn
+                                end
+                            end
                         end
 
-                        intAcqPlatform
+                        intPlatform
 
                     end
                 end