BAE to provide CMWS sustainment support services for UK MoD 1 April 2021 (Last Updated April 1st, 2021 11:02) BAE Systems has received a contract from the UK Ministry of Defence (MoD) to provide aircraft survivability equipment support and sustainment. Developed by BAE Systems, the CMWS integrates hostile fire indication, missile warning, and countermeasure coordination capabilities into one system. Credit: UK Ministry of Defence. Share Article BAE Systems has received a contract from the UK Ministry of Defence (MoD) to provide aircraft survivability equipment support and sustainment. Valued at $21, the contract will see the company continue to provide support and sustainment of the Common Missile Warning System (CMWS) over the next 54 months.