The Department of Defense, through the Naval Air Systems Command (NAVAIR), is seeking information from qualified businesses regarding the modification of the AN/APR-39D(V)2 Radar Signal Detecting Set for Foreign Military Sales (FMS). The objective is to support programmatic, engineering, and technical tasks to adapt the Operational Flight Program (OFP) for exportable configurations, ensuring enhanced functionality and compatibility with various rotary wing aircraft. This radar system is crucial for detecting and identifying threat radar signals, thereby improving aircraft survivability and situational awareness for aircrew. Interested parties must submit a capabilities statement by April 30, 2025, to Jeda Yurko at jeda.m.yurko.civ@us.navy.mil, with the anticipated contract type being Cost Plus Fixed Fee and performance expected to begin in August 2025.