USAF 3-D prints metal parts to keep F-22 repair cost down

For the first time, the US Air Force has 3-D printed and installed a replacement titanium part on a Lockheed Martin F-22 Raptor as part of a greater effort to shrink repair costs and time. The USAF has only 186 operational F-22s and has struggled to deploy and maintain the aircraft effectively. Managing the small fleet is especially difficult because the stealth fighters are notoriously expensive to maintain or fix after damage.

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