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... What GAO Found

The Department of Defense (DOD) has taken steps to establish an organizational structure for overseeing and sustaining an enhanced missile defense system known as the Guam Defense System (GDS). In addition, DOD has designated lead services for operating and sustaining the elements that make up the GDS. However, there are unresolved challenges that could hamper the success of DOD's efforts:

- - - DOD lacks a strategy that outlines how and when responsibilities for operating and sustaining GDS elements will transfer to their lead organizations.

- - - The Army does not have a long-term strategy for integrating with the other military services in Guam to coordinate Army construction and installation support needed to support GDS and personnel. ...