The Future of the F-35 | Chapter 2 | Upgrade
The F-35 has been upgraded several times, but its engine never has. To enable the capabilities planned for the next upgrade, known as Block 4, Pratt & Whitney is proposing the F135 Engine Core Upgrade – a “drop-in” improvement that will save billions for taxpayers and give warfighters what they need in a timely way.
Chapter 1: Trust: • The Future of the F-35 | Chapter 1 | Trust