Lockheed Martin F-35 Lightning II operators

The Lockheed Martin F-35 Lightning II is a family of stealth multirole fighters that first entered service with the United States in 2015. The aircraft has been ordered by program partner nations, including the United Kingdom, Italy, Norway, and Australia, and also through the Department of Defense's Foreign Military Sales program, including Japan, South Korea, and Israel. The units that operate or plan on operating the aircraft are listed below.
Operators.
F-35B.
21 received, with 18 in the UK and the rest in the US, where they are used for testing and training. 42 (24 FOC fighters and 18 training aircraft) to be fast-tracked by 2023. 138 originally planned, amended to between 60 and 80 F-35Bs.