WASHINGTON โ€” U.S. National Reconnaissance Office (NRO) Director Scott Large tendered his resignation April 8 to Defense Secretary Robert Gates, NRO spokesman Rick Oborn confirmed April 9.

Large was tapped for the position in October 2007 after serving as the officeโ€™s principal deputy director and holding high-level positions at the Central Intelligence Agency and National Geospatial-Intelligence Agency. In a memo sent to his employees, Large said he concurred with Gates and the Director of National Intelligence Dennis Blair that the time was right for a change of leadership, Oborn said.

Effective April 18, U.S. Air Force Maj. Gen. Ellen Pawlikowski, now deputy director of the office, will assume temporary leadership. A permanent director will be nominated by Gates in consultation with Blair.