An improved torpedo countermeasure system called the AN/SLQ-61 Lightweight Tow (LWT) Torpedo Defense Mission Module (TDMM) is lighter than the AN/SLQ-25 and has a different tow profile, making it more suited for small combatant warships operating in littoral environments. The LWT is a modular, digitally controlled soft kill countermeasure decoy that can defend ships against wake-homing, acoustic homing, and wire-guided torpedoes.U.S. Navy Completes Lightweight Torpedo Defense Mission Module Testing. Navy Recognition. 5 May 2018.
