The Pentagon’s F-35 Joint Program Office is considering whether a strategy of loading interim versions of the Technology Refresh 3 software into the latest F-35s might provide a way to end a months-long delivery halt, and allow the government to start accepting the latest versions of the fighter. Technology Refresh 3, or TR-3, is the name for a batch of hardware and software upgrades to the newest F-35s, and include better displays, computer memory and processing power. The TR-3 upgrades are necessary to pave the way for a more expansive modernization, known as Block 4, which will allow the F-35 to carry more long-range precision weapons and improve its electronic warfare capabilities and target recognition.
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