Heart rates of the Apollo 14 crew during multiple docking attempts

Heart rates of the Apollo 14 crew during multiple docking attempts
Heart rates of the Apollo 14 crew during multiple docking attempts It took 6 attempts to achieve a successful docking of the Command and Service Module (CSM) and the Lunar Module (LM) during Apollo 14. It was later determined that a small piece of debris likely prevented the mechanical system from automatically triggering. Note the heart rate of Command Module Pilot Stu Roosa, who was responsible for the docking operation. NASA