As could be expected, the process of converting two venerable tramp steamers into men-of-war was by no means complete, but over the next few weeks the two erstwhile "tramps" were given their main and secondary batteries as well as sound gear; nevertheless, they appeared to be mere cargo ships. "Carolyn" became "Atik", and was given a cargo ship hull number, AK-101; "Evelyn" became "Asterion" (AK-100). They were to use their old identities when communicating with friendly vessels and stations; if enemy ships should challenge, reply should be made in accordance with International Procedure, using the identification SS "Vill Franca", of Portuguese Registry, callsign CSBT.