1st Garrison Division of Nanjing Military Region
On December 10 , 1956 , the fort district was inactivated , 15th Garrison Division was then reactivated in Pudong , Shanghai . The division was then a part of Shanghai Security District . 
<triplet> Pudong <subj> Shanghai <obj> located in the administrative territorial entity <triplet> Shanghai <subj> Pudong <obj> contains administrative territorial entity