JA 
4K
B Tier
5420 (visible on nose wheel door), 15-5420 (tail number)
United States Air Force (military - not a commercial airline)
F35A
CBM/KCBM
Lockheed Martin F-35A Lightning II
Lockheed Martin F-35A Lightning II of the USAF, seen on display at a U.S. Air Force facility.