Related Clues:

• Course, in education lingo
• Part of I.C.U.
• Platoon or squadron, e.g.
• One may have a ring
• Form
• Complex division
• Squad
• School session
• The 'U' in I.C.U.
• Soldier's assignment
• Air traveler's choice
• Mile, e.g.
• Curriculum section
• Social group
• '02 or '03, e.g.