Original sentence: It is armed as an LCS-type corvette.It uses a variant of the SWATH design called by Lockheed Martin as "SLICE".Sea Slice is armed with the Millennium Gun, a 35mm cannon built by Oerlikon Contraves and NetFires System, which launches Lockheed's Loitering Attack Munitions (LAM) missiles.The vessel is a SWATH-hulled warship built by Lockheed Martin
Edited sentence: Based on a  variant of the SWATH design known as "SLICE", built by Lockheed Martin, it is designed for operation in the same area as, and mount similar armament to, a LCS-type corvette.Current weapon options include the Millennium Gun and the NetFires System, intended to launch Lockheed's (now cancelled) Loitering Attack Munition