The U.S. Army Contracting Command is seeking qualified sources for a sole-source acquisition of specialized research and development, testing, and engineering services related to nuclear treaty verification, geophysical measurement and signature intelligence (MASINT), and geospatial intelligence (GEOINT). The work also includes basic and applied geophysical research in areas such as the solid earth, atmosphere, cryosphere, oceans, unmanned aerial systems, and space. The proposed NAICS code is 541715, and the government is interested in all businesses, including small businesses. No solicitation is available at this time, and no budget or performance location has been specified. Interested parties should contact the Contracting Officer via email.