U3

U3 or U-3 may refer to:

• U3, an underground rapid transit line in many major German/Austrian cities:
  • U3 (Berlin U-Bahn)
  • U3 (Frankfurt U-Bahn)
  • U3 (Hamburg U-Bahn)
  • U3 (Munich U-Bahn)
  • U3 (Nuremberg U-Bahn)
  • U3 (Stuttgart Stadtbahn)
  • U3 (Vienna U-Bahn)
• Avies (IATA code: U3), an Estonian airline
• Cessna U-3, the military model of the Cessna 310 aircraft
• German submarine U-3, one of several German submarines
• Boeing Customer Code for Garuda Indonesia

• U3 (software), a design specification for USB storage, created by U3, LLC
• U3, a speed class for Secure Digital (SD) cards
• U.3, an improvement to the U.2 storage interface standard

A cinematic 3D realistic scene of a 12-year-old village boy discovering an injured eagle on a rocky mountain, soft golden sunlight, wind blowing, emotional atmosphere, ultra-realistic, 4K. Slow-motion camera zoom-in. Voice-over (Urdu, soft emotional tone): "ڈرنا نہیں، میں تمہاری مدد کروں گا۔" Eagle (weak voice): "کیا تم واقعی میری مدد کرو گے؟" Camera: slow zoom + close-up on eagle आँखیں Music: soft sad piano

• U3, an unemployment figure released by the United States Bureau of Labor Statistics
• Small nucleolar RNA U3, a type of non-coding RNA

• 3U (disambiguation)