 During this period, Delgado continued his own archaeological work, the documentation of a U.S. Civil War-era submersible, Sub Marine Explorer.In October 2010, he left INA to become the Director of Maritime Heritage in the Office of National Marine Sanctuaries for the National Oceanic & Atmospheric Administration in Washington, D.C.He coordinated and at times supervised all maritime heritage activities in the 14 units in the NMS system, and provided maritime heritage support to all other parts of NOAA.