On the 10th October 2019, the engines of OOS Walcheren were started. The OOS Walcheren is currently under construction at China Merchants Heavy Industries (Jiangsu) Shipyard.

The OOS Walcheren is the sister vessel of the OOS Serooskerke, which is presently undergoing the final stages of commissioning before heading out for sea trials. Her expected delivery is within Q1 2021.