 The first modernized Tactical Missile System (TACMS) was delivered on 28 September 2016 with updated guidance electronics and added capability to defeat area targets using a unitary warhead without leaving behind unexploded ordnance.Lockheed was awarded a production contract for launch assemblies as part of the SLEP on 2 August 2017.In October 2016, it was revealed that the ATACMS would be upgraded with an existing seeker to enable it to strike moving targets on land and at sea.