The Department of Defense, specifically the Navy, is seeking innovative solutions for the development of the F2-Wideband Acoustic Receiver and Source (F2-WARS) Sonobuoy under the SBIR program. The objective is to create an air-deployable sensor system capable of characterizing the acoustic ocean environment in the F2 Mid-Frequency range, addressing gaps in current sensor technologies and enhancing capabilities for Anti-Submarine Warfare (ASW) measurements. This project is critical for improving environmental analysis, mission planning, and marine mammal mitigation during naval operations. Interested parties should note that the solicitation is closed, with the application due date having been June 12, 2024, and further details can be found at the official SBIR website.