This is a presolicitation notice for a sole-source, firm-fixed-price purchase order for autonomous underwater vehicle support services to conduct Atlantic sea scallop optical surveys. The work involves acquiring a target of 200 nautical miles of optical AUV data within Mid-Atlantic Bight scallop management areas, with services including AUV calibration, mobilization, operation, and data delivery. The performance location for the services is Woods Hole, MA. The anticipated award date is estimated to be April 2026. While this is not currently a request for competitive proposals, firms believing they can meet the requirements may submit substantiating documentation to the points of contact.