1. Previously - Arlington Division, Applied Research Associates, Inc., Arlington
2. Army Reactor Program, United States Army Nuclear and Countering Weapons of Mass Destruction Agency (USANCA), Department of Defense, Fort Belvoir, Virginia
3. Radiation and Nuclear Countermeasures Program (RNCP), Division of Allergy, Immunology and Transplantation (DAIT), National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Rockville, Maryland
4. Biological and Physical Sciences Division, National Aeronautics and Space Administration (NASA), Langley Research Center, Hampton, Virginia