U.S. Space Force

Like previous missions, the reusable plane resembling a mini space shuttle carried classified experiments. There's no one on board.

Details about the X-37B's 908 days spent orbiting Earth are scant. But with each new mission, we learn a little bit more about it.

Managers said they will conduct another fueling test to ensure all hydrogen leaks are plugged. If that test goes well — and if the Space Force extends a flight safety waiver — then NASA could take another stab at launching the 322-foot rocket in late September.

The first launch window opens at 6:29 a.m. and weather remains favorable.

Members of the newest military branch, known as Guardians, won’t have an annual fitness test. Instead, the devices will monitor their activity throughout the year.

The newest military service branch is responsible for protecting satellites and other objects in space, which it expects will be critical parts of future wars.

It was established as an independent branch of the uniformed services, and it’s the first new branch since the Air Force was authorized in 1947.

The Air Force bypassed Florida's Space Coast in naming the recommended site for the Space Command headquarters.

The official moniker, announced by Vice President Pence at a White House ceremony, comes one year after the creation of the newest military branch. The name drew raised eyebrows online.

Vice President Mike Pence’s announcement came as he was in Florida to attend a meeting of the National Space Council at Kennedy Space Center.

The site, south of Cape Canaveral, is one of six finalists — and the only one in Florida — to serve as the U.S. Space Command headquarters.

Patrick is the only Florida base to make the final cut. MacDill Air Force Base in Tampa was nominated earlier this year.