challenge: What was the composition of the bombs carried by each aircraft in the Doolittle Raid?
  
  A. Four bundles of incendiaries and one high-explosive munition
  B. One high-explosive munition and three bundles of incendiaries
  C. Two high-explosive munitions and two bundles of incendiaries
  D. Three high-explosive munitions and one bundle of incendiaries
  Answer: 