Just adding something I noticed: these grants and contract are part of DHS' Long Range Broad Agency Announcement (LRBAA) program: The Science and Technology Directorate's (S&T) Long Range Broad Agency Announcement (LRBAA) is a standing, open invitation to the scientific and technical communities to fund pioneering research and development (R&D) projects in support of our nation’s security. https://www.dhs.gov/science-and-technology/st-lrbaa That doesn't answer your question, though.