Rocket Ship X #1

"Rocket Ship X" features two science fiction adventures. In the first story, Lieutenant Jock Mackenzie and his crew are tasked with retrieving a stolen vital from Mars before Dr. Helmut Stefan can use it to create an army of superhumans; they successfully stop Stefan and recover the vial. The second story follows the crew as they defend themselves and their ship against robotic invaders on the Moon, with team members Tod Kramer and Vivian Foote battling waves of K-5 robots before escaping back to their spacecraft to return to Earth.