This is a Sources Sought notice for market research to identify vendors capable of providing Dynamic Frequency Comb Applications support services. The potential contract is a 5-year, fixed-price IDIQ with an estimated total value not to exceed $7.5 million. The government is specifically determining if the requirement can be set aside for small businesses under NAICS 541511. Interested vendors must submit a capability statement of five pages or less, including specific company and qualification details. This is not a solicitation, and no contract will be awarded directly from this notice.