This is a Sources Sought notice for planning purposes only, not a solicitation or commitment to contract. The requirement is for Counter-UAS (C-UAS) Adversary Forces (ADFOR) support for multiple training exercises across various Marine Corps Bases, with performance at Marine Corps Base Camp Lejeune, NC. The applicable NAICS code is 541990, with a size standard of $19.5 million. Responses must be received by 5 June 2026 at 2359 EST, and questions are due by 3 June 2026 at 2359 EST. No budget amounts are specified.