Generals Dreedle and Peckem are commanders of distinct units of the Italian campaign in the US Army Air Force. Each spends most of the novel trying to get the upper hand on the other, but to the surprise of each, Scheisskopf, brought over from the United States, is made commanding officer of all their units.
The timeline below shows where the character Generals Dreedle and Peckem appears in Catch-22. The colored dots and icons indicate which themes are associated with that appearance.
Chapter 3: Havermeyer
Chapter 4: Doc Daneeka
Chapter 6: Hungry Joe
Chapter 21: General Dreedle
...he should increase the mission requirements forever. Cathcart wishes to court the affection of General Peckem, commander of Special Services, and Peckem wishes to replace Dreedle as commander of combat units. (full context)
Chapter 24: Milo
...use of some of their planes to get tangerines, melons, and other exotic goods. General Dreedle, who enjoys eating Milo’s food, supports this plan, and demotes officers who don’t comply with... (full context)
Chapter 25: The Chaplain
Chapter 29: Peckem
Chapter 36: The Cellar