Soldier Plate Carrier System
The Soldier Plate Carrier System (SPCS), known commercially as the KDH Magnum TAC-1, is a plate carrier developed for the U.S. Army which provides protection in accordance with, if not greater than, the Improved Outer Tactical Vest. The SPCS is a lighter alternative to the IOTV, with increased mobility and comfort.
Source: Wikipedia — Soldier Plate Carrier System (CC BY-SA 4.0)