 Three embarkation camps, Camp Merritt having a 38,000 transient troop capacity, Camp Mills with 40,000 capacity and Camp Upton with 18,000 capacity came under the direct command of the Port of Embarkation while Camp Dix remained under War Department control but served as an embarkation camp for the port.The command included four embarkation hospitals and five debarkation hospitals, one general hospital and one auxiliary hospital along with two base hospitals.The ports of Boston, Baltimore, Philadelphia served as sub-ports and the Canadian ports of Halifax, Nova Scotia, Montreal and St. John's, Newfoundland as subsidiary ports under the NYPOE.