Clue: Top-secret govt. org.

Answer: NSA

Length: 3

---

Similar Clues:

• Secretive govt. group (NSA with 3 letters)
• Secretion organ (GLAND with 5 letters)
• Secret U.S. govt. group (NSA with 3 letters)
• Organic chemistry topic (e.g. ENOL with 4 letters)
• Secretion organ, e.g. (GLAND with 5 letters)
• Secreting organs (GLANDS with 6 letters)
• ___ gland (organ that secretes melatonin) (PINEAL with 6 letters)
• Secret govt. group (NSA with 3 letters)
• Organ that secretes (GLAND with 5 letters)
• __ gland: organ that secretes melatonin (PINEAL with 6 letters)