The mission start had been delayed from Saturday morning because of high winds at the launch site and a heavy cloud cover.
The chief of space operations of the U.S. Space Force Gen. John Raymond and Barrett were at Cape Canaveral to observe the launch of the mission code named USSF-7.
The Air Force said in a statement that its launch honors all front-line workers and responders to the COVID-19 pandemic, and those who have been affected by the outbreak.
United Launch Alliance, which provided the Atlas V rocket, said it followed health advice for the launch with flight controllers wearing masks and spread out. Numerous flight controllers wore masks and were spread out.
The Cape Canaveral Air Force Station has an exceptionally fast turnaround for its next launch.
Another launch attempt will be made in 24 hours. Past test flights have lasted as long as 780 days. The AP is exclusively responsible for all content. Space Force's new recruiting video unveiled May 6 by Air Force Secretary Barbara Barrett. For your security, we've sent a confirmation email to the address you entered. Click the link to confirm your subscription and begin receiving our newsletters.
Michigan Gov. Whitmer Unveils Reopening Plan
Eased restrictions for businesses in other parts of the state could be announced within the next few days, the governor said. Joneigh Khaldun, chief medical executive with the Michigan Department of Health and Human Services.