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I don't know why most of the administrations are currently under the "Deputy Secretary" while the Office of Aviation and International Affairs and the Office of Transportation Policy are under the Undersecretary of Transportation for Policy. In reality, all of DOT is under one of the administrations, not strictly under the Deputy Secretary. The Office of Aviation and International Affairs is within the Office of the Undersecretary of Policy which is under the Office of the Secretary of Transportation (OST). The Office of the Secretary does not currently have a wiki page, as it redirects to the wiki page for the Secretary of Transportation. I'll try to fix this if I have time but I don't have experience editing templates. Kleftarcle (talk) 13:08, 29 March 2017 (UTC)