Image: Vertol CH-21B Workhorse USAF

Description: DAYTON, Ohio -- Vertol CH-21B Workhorse at the National Museum of the United States Air Force. (U.S. Air Force photo)
Title: Vertol CH-21B Workhorse USAF
Credit:   This image was released by the United States Air Force with the ID 050322-F-1234P-024 (next). This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing. العربية ∙ বাংলা ∙ Deutsch ∙ Deutsch (Sie-Form) ∙ English ∙ español ∙ euskara ∙ فارسی ∙ français ∙ italiano ∙ 日本語 ∙ 한국어 ∙ македонски ∙ മലയാളം ∙ Plattdüütsch ∙ Nederlands ∙ polski ∙ پښتو ∙ português ∙ русский ∙ slovenščina ∙ svenska ∙ Türkçe ∙ українська ∙ 简体中文 ∙ 繁體中文 ∙ +/− http://www.nationalmuseum.af.mil/factsheets/factsheet.asp?id=371
Author: U.S. Air Force photo
Usage Terms: Public domain
License: Public domain
Attribution Required?: No