(W) Matt Kindt, Keanu Reeves (A) Ron Garney (CA) Daniel Warren Johnson. Diana pushes B. to uncover more about his past. Triggering a memory of WWI* where B. fights alongside his first U.S. handler* an artillery shell explosion results in a piece of B. making its way through history as a legendary artifact. Back in the present* Caldwell reunites B. with his artifact* revealing himself as the top historical expert on B. Will his proposed "Protocol X" unlock the ultimate truth B. seeks* buried deep inside his memories?