Since re-baselining the project in September 2017, the Warrior Capability Sustainment Programme has held to schedule. The Demonstration Phase is due to be completed in 2021. Neither the ongoing System Requirement Acceptance nor the Reliability Growth Trials have identified major issues or concerns.
In April 2019, the Investment Approvals Committee approved an expanded assessment phase to address enhancements to the Challenger 2 Main Battle Tank's lethality and survivability. Rheinmetall BAE Systems Land presented a proposal in February 2020 to upgrade the tank. A Full Business Case approval is scheduled for late 2020.