Related Clues:

• The 'U' in I.C.U.
• Soldier's assignment
• The Marines, e.g.
• Bit of planning
• Mile, e.g.
• Headlight?
• Major employer
• Brain wave
• Curriculum section
• Flash of inspiration
• Kind of trust
• Edison product
• Matter for the gray matter
• Head light?
• It's formed in your head