F-35Bs 40 STOs & 41 VLs as of 18 Aug 2013 USS Wasp
F-35B Accomplishes First Night Vertical Landing Aboard USS Wasp 20 Aug 2013
"...As of August 18, the two F-35Bs participating in DT-II, known as BF-1and BF-5, had completed a total of 40 short takeoffs and 41 vertical landings...."
Lockheed Martin · F-35B Accomplishes First Night Vertical Landing Aboard USS Wasp