"The president’s vitals over the last 24 hours were very concerning and the next 48 hours will be critical in terms of his care."
"We will begin our quarantine and recovery process immediately. We will get through this TOGETHER!" the president said in a tweet early on Friday morning.
"There's still a lot more that we need to talk about what it means to actually end the war."
Sgt. Maj. Payne is receiving the Medal of Honor for his "extraordinary heroism and selfless actions" during a hostage rescue in 2015.
A decision by the Trump administration earlier this year to move the flag honoring missing war veterans from a prominent position atop the White House to a less visible spot on the South Lawn has angered some veterans and lawmakers, who see it as disrespectful and potentially illegal