Block 4 Follow Block 4 with news and analysis from the Aerospace Global News team, gathered here in one place. Latest Upgraded F-35 Lightning: Block 4 improvements explained News Upgraded F-35 Lightning: Block 4 improvements explained Lockheed Martin F-35 Lightning II September 12, 2026•4 min read The F-35’s $38 billion cooling problem moves closer to a possible fix News The F-35’s $38 billion cooling problem moves closer to a possible fix Lockheed Martin F-35 Lightning II August 25, 2026•3 min read Trump announces the ‘F-55’ (a twin-engined F-35 derivative) and an ‘F-22 Super’ News Trump announces the ‘F-55’ (a twin-engined F-35 derivative) and an ‘F-22 Super’ Block 4 May 15, 2025•2 min read A US Marine Corps F-35B has conducted the first test flights with an MBDA Meteor missile News A US Marine Corps F-35B has conducted the first test flights with an MBDA Meteor missile Block 4 March 7, 2025•4 min read F-35 TR-3 Progress? News F-35 TR-3 Progress? Block 4 January 30, 2025•2 min read Subscribe Please enable JavaScript in your browser to complete this form.Please enable JavaScript in your browser to complete this form.First name *Last name *Email address *Interests *InterestsAir TransportAviation ServicesBusiness and General AviationDefenceEvent WrapsFuture WorkforceIn the SpotlightInnovation and TechnologyLeadershipManufacturingRegulationRotorcraftSpaceSustainabilityUnmannedUrban Air Mobility *I agree to Aerospace Global News' Privacy PolicySubscribe