A USAF F-35A takes on fuel from a 28th Expeditionary Aerial Refueling Squadron KC-135R on April 26 during the first combat mission for the USAF’s Lightning IIs. The first kinetic strikes followed four days later.
USAF/SrA Keifer Bowes
Early low-rate initial production F-35As are giving the operators something of a headache as they could be deemed to be prohibitively expensive to upgrade to the forthcoming Block 4 standard.
Jamie Hunter


Become a Premium Member to Read More

This is a premium article and requires an active Key.Aero subscription to view.

I’m an existing member, sign me in!

I don’t have a subscription…

Enjoy the following subscriber only benefits:

  • Unlimited access to all KeyAero content
  • Exclusive in-depth articles and analysis, videos, quizzes added daily
  • A fully searchable archive – boasting hundreds of thousands of pieces of quality aviation content
  • Access to read all our leading aviation magazines online - meaning you can enjoy the likes of FlyPast, Aeroplane Monthly, AirForces Monthly, Combat Aircraft, Aviation News, Airports of the World, PC Pilot and Airliner World - as soon as they leave the editor’s desk.
  • Access on any device- anywhere, anytime
  • Choose from our offers below