Please use the following information when sending documents to the Domestic Nuclear Detection Office (DNDO) GRaDER^SM  Program Manager.

U.S. Mail

GRaDER^SM Program Manager/SEED
DNDO Stop 0550
Department of Homeland Security
245 Murray Lane, SW
Washington, DC 20528-0550

Commercial Delivery Service

COUNTRY: USA
COMPANY: DEPT OF HOMELAND SECURITY
CONTACT NAME: GRaDER^SM Program Manager (C. Sleeper)
ADDRESS 1: 245 MURRAY LANE SW
ADDRESS 2: DNDO STOP 0550
CITY: WASHINGTON
STATE: DC
ZIP CODE: 20528-0550
CONTACT PHONE NUMBER: 202-254-7507

Via E-mail

GRaDER.Comments@hq.dhs.gov
GRaDER.Questions@hq.dhs.gov
GRaDER.Applications@hq.dhs.gov