Cape Palos
On 29 and 30 June, she conducted training exercises off Gibraltar with several other British ships. "P222" then departed on 2 July for her first war patrol, in the Alboran Sea. She returned to port on 10 July, having sighted no enemy ships. After additional exercises, she departed Gibraltar again on 18 July with orders to patrol off the west coast of Sardinia. Her orders were changed on 23 July to intercept the Vichy French merchant ship off Cape Palos, Spain. Three days later, "P222" successfully intercepted and boarded her target, which was then escorted to Gibraltar by . On 28 July, the boat returned to port, ending her second war patrol.