Retired Gen. Paul Ostrowski discusses how quickly the vaccine rollout can happen following FDA approval and potential logistical concerns. LEARN MORE: Trump holds self-congratulatory vaccine 'summit,' dismisses concerns over virus spread: https://abcn.ws/2LdYOu8 Subscribe to GMA's YouTube page: https://bit.ly/2Zq0dU5 Visit GMA's homepage: https://www.goodmorningamerica.com Follow GMA: TikTok: tiktok.com/@gma Facebook:facebook.com/GoodMorningAmerica Twitter: twitter.com/gma Instagram: instagram.com/goodmorningamerica #GMA #OperationWarpSpeed #COVID19Vaccine #PfizerVaccine