Related Clues:

• The 'U' of CPU
• Troop group
• Hand or foot
• Course, in education lingo
• Part of I.C.U.
• Platoon or squadron, e.g.
• Complex division
• Squad
• The 'U' in I.C.U.
• Soldier's assignment
• Mile, e.g.
• Curriculum section
• Kind of trust
• Combat outfit
• Military subdivision