User blog comment:Doc.Richtofen/Crimson Eagle/@comment-1926238-20100318204431

The Heartbeat Sensor has more than one use. You can see enemies, sure, but you can also see if your patient is flatlining. Wallace always had one on at least one of his guns.

"Hey Smuff, get up. Sactage just sent us a message. Apparently the Anti-Marks are setting up for an attack. We need to be on call."