On This Day in Aviation History: The H-21 Shawnee and the USNS Card
On This Day in Aviation History: The H-21 Shawnee and the USNS Card Contributor: Barry Fetzer Sources: History.com, US Army, Military Sea Lift Command, The Flagship, Wikipedia If you were not informed, or if informed but didn’t look closely, you might mistake the Piasecki (and then the Vertol) H-21 Shawnee pictured below as the…