sentences:  Informed by their left-wing politics, aiding the war effort against Nazi Germany and the Axis powers was as much of a moral vocation to Parsons, Forman and Malina as it was a practical one.Parsons, Summerfield and the GALCIT workers focused on the task and found success with a combination of gasoline with red fuming nitric acid as its oxidizer; the latter, suggested by Parsons, was an effective substitute for liquid oxygen.The testing of this fuel resulted in another calamity, when the testing rocket motor exploded; the fire, containing iron shed fragments and shrapnel, inexplicably left the experimenters unscathed.