Koç Bilgi ve Savunma Teknolojileri A.Ş (KBS) was established in 2007 by Koç Holding to develop critical technologies and to provide national and indigenous system solutions for the Defense Industry. The company has been operating with a focus on naval platforms electronic systems, underwater acoustics systems, and command & control (C4ISR) information systems since its establishment. KBS is one of the strategic suppliers of REİS Class Type 214TN Air Independent Propulsion (AIP) Submarines currently under construction at Gölcük Naval Shipyard Command under the New Type Submarine Project (NTSP). 

The first vessel of the REİS Class Type 214TN Submarines, the TCG Piri Reis (S-330) was launched on December 22, 2019. As of February 2020, the outfitting activities of the TCG Piri Reis Submarine are continuing at drydock; the submarine is expected to be commissioned by the Turkish Navy in 2022 following the Factory Acceptance (FAT), Harbor Acceptance (HAT) and Sea Acceptance (SAT) Tests respectively.