Jack Swigert is completing several housekeeping tasks on Odyssey. “And then,” says CAPCOM, “if you could give your oxygen tanks a stir…” “Roger that,” says Swigert. EECOM puffs his pipe and looks at his console. Swigert toggles the O2 switches 1 and 2 to ON. Deep inside the Service Module, a wire burns and splits. […]