The Mk 54 Mod 0 is an anti-submarine torpedo used for littoral scenarios. The US Department of Defense (DoD) has awarded Raytheon a USD29.75 million contract that includes the delivery of Mk 54 Mod 0 Lightweight Torpedo (LWT) kits to the Indian Navy. The contract, which was announced on 31 August, covers the manufacture and delivery (plus engineering and repair services for the upgrades) of 100 LWT kits for the US Navy (USN) and 68 LWT kits for India, Turkey and Australia under the Foreign Military Sales (FMS) programme. The breakdown of FMS numbers was not disclosed. Deliveries are expected to be completed by 30 September 2017. The 230 kg, 2.59 m long Mk 54 Mod 0 is an anti-submarine torpedo used for littoral scenarios (including operation in both shallow and deep water environmental conditions). It can be launched from surface ships, submarines, helicopters, and aircraft and is interoperable with existing Mk 46 and Mk 50 launch platforms.