The U.S. Air Force said the cause of the crash, as well as the status of the pilot, is unknown at this time.

The captain was reprimanded before 4-20, the unofficial 'marijuana' day among cannabis culture enthusiasts.

The administration has vowed it's only delaying the spending, not cancelling it.

Musk has security clearance because his company SpaceX provides satellite launch services to the U.S. government.

The roster is growing for Airshow London 2017.

One American pilot was killed and another injured when they ejected from a U-2 spy plane shortly before it crashed in Northern California on Tuesday morning, the U.S. Air Force said.

The United States has deployed B-52 bombers to Qatar to take part in the bombing campaign against the Islamic State group.

CJ Twomey, a former member of the US Air Force, has been to more than 100 countries and even made a trip to space over the last year thanks to the kindness of strangers.