Complex sentence: The numbers of the new force were originally fixed at 1,500 volunteers from sixteen to twenty-one years of age recruited from'safe' ethnic groups, and almost all the aircraft of the Force Publique had been transferred to Kamina, then requisitioned by Katanga.
Split into simpler sentences: The numbers of the new force were originally fixed at 1,500 volunteers from sixteen to twenty-one years of age recruited from'safe' ethnic groups. Almost all the aircraft of the Force Publique had been transferred to Kamina, then requisitioned by Katanga.