The United States Air Force (USAF) tested an intercontinental ballistic missile (ICBM) over the Pacific Ocean early Wednesday morning, according to an announcement from the U.S. Air Force Global Strike Command.

The long-range missile, known as the Minuteman III, was unarmed and traveled about 4200 miles from Vandenberg Air Force Base in California to the Kwajalein Atoll in the Marshall Islands, the Air Force said.

The Global Strike Command, which oversees the American missile program, operated the test from Malmstrom Air Force Base in the state of Montana.

“These test launches verify the accuracy and reliability of the ICBM weapon