These were all names Arthur knew, but he hadn't met the men attached to them. Doom was the one he was most familiar with as he had attachments to Reed and other Arthur knew. He also had started making a habit of mining materials from the sea. While he was meticulously clean about, it still made Arthur want to keep a watch on him.
"I see," he still wasn't entirely sure they could solve everything, but it wouldn't hurt to start trying.