// Workers AI · dad joke modeIs J3 a cube? Because it's J-cubed.

J3, J03, J 3 or J-3 may refer to:

Aircraft and airlines

• Junkers J 3, a German experimental fighter aircraft
• J-class blimp, a class of US Navy airships
• Ishikawajima-Harima J3, a Japanese turbojet aircraft engine
• Piper J-3 Cub, a light aircraft
• Northwestern Air, a Canadian airline, IATA code J3

Roads and vehicles

• County Route J3 (California), in the United States
• Kempas Highway and Jalan Datin Halimah, Johor State Route J3 in Malaysia
• JAC J3, a subcompact car

Ships and submarines

• J3, a design type of Junsen type submarine of the Imperial Japanese Navy
• HMS J3, later HMAS J3, a J-class submarine
• J3 battlecruiser, a design study for the Royal Navy's 1921 Fleet modernization programme

Other uses

• J₃, the main perturbing force to be counteracted in order to have a frozen orbit in orbital mechanics
• Janko group J₃, in mathematics
• J3 League, in the Japan Professional Football League
• LNER Class J3, a class of British steam locomotives
• Nikon 1 J3, a camera
• J3, the operations branch of joint military staff
• Samsung Galaxy J3 (2016), a smartphone
  • Samsung Galaxy J3 Pro
• Triangular cupola, Johnson Solid number 3

See also

• 3J (disambiguation)