https://www.dla.mil/Public-Affairs/Module-Samples/igphoto/2001709385/
Defense Logistics Agency Aviation and the Air Force partnered on an organic manufacturing contract to provide needed parts for the F-15 aircraft. Pictured here...
wing sparforgedbillet
https://www.aopa.org/news-and-media/all-news/2020/july/23/faa-urged-to-scale-back-updated-piper-wing-spar-ad
The FAA should further reduce the number of Piper single-engine airplane models subject to a proposed airworthiness directive requiring corrosion inspections...
wing sparfaaurgedscaleback