https://www.marines.mil/News/News-Display/Article/611657/us-marines-corps-declares-the-f-35b-operational/
U.S. Marines Corps declares the F-35B operational United States Marine Corps Flagship News...
The U.S. Marine Corps' F-35B Lightning II aircraft reached initial operational capability July 31, 2015 with a squadron of 10 F-35Bs ready for world-wide...
u s marines corps