The Department of Defense, through the Naval Undersea Warfare Center (NUWC) Keyport, is seeking proposals for the procurement of a Next Generation Fathometer, specifically a SONAR Sounding Set. This procurement includes essential components such as a SONAR receiver-transmitter, mounting brackets, remote depth indicators, a SONAR simulator, Navy Tactical Data System A (NTDS-A) converter boxes, and the necessary technical documentation, all to be manufactured in accordance with specified NAVSEA drawings. The SONAR Sounding Set is critical for enhancing underwater detection and navigation capabilities, supporting various naval operations. Interested vendors can find the Request for Proposal (RFP) at https://piee.eb.mil/ by searching for N0025325R7005, and should direct inquiries to Michael Beadle at michael.f.beadle.civ@us.navy.mil or Terrell Burt at terrell.l.burt2.civ@us.navy.mil, with the latter also reachable by phone at (360) 315-0941.