Regarding Directive 51 and EO 13603/National Production Act
EO 13603 transfers the duties of FEMA over to the Department of Homeland Security.
>https://www.reuters.com/article/health-coronavirus-vaccines-trump/while-seeking-credit-for-vaccine-trump-says-he-may-invoke-defense-production-act-idUSKBN28I2UR
"WASHINGTON (Reuters) - U.S. President Donald Trump said on Tuesday he would invoke the Defense Production Act if needed to ensure Americans are first in line for domestically produced coronavirus vaccines at a summit designed to give him and his team credit for speedy vaccine development."
THIS IS IMPORTANT
>Operation Warp Speed isn't about vaccines, it's for troop deployment across the United States
“I’m staying out of this. I can’t comment,” Dr. Moncef Slaoui, a leader of Trump’s vaccine initiative Operation Warp Speed, told ABC when asked about the order. “We feel that we can deliver the vaccines as needed, so I don’t exactly [know] what this order is about.”