https://www.edrmagazine.eu/thales-selected-by-lockheed-martin-to-deliver-airborne-anti-submarine-warfare-sonars-to-the-u-s-indian-greek-and-danish-navies Thales selected by Lockheed Martin to deliver airborne anti-submarine warfare sonars to the U.S., Indian, Greek and Danish navies 27 April 2021 ¡V Thales has signed a contract with Lockheed Martin as a tier-one supplier for the delivery of up to 55 airborne anti-submarine warfare sonars. The ALFS (Airborne Low Frequency Sonar)* dipping sonars will be installed on the MH-60R platform for the U.S. Navy and three additional navies. Delivery of the first 42 systems will occur over the next five years with a delivery of 13 optional systems to occur in year six.