Washington Gov. Jay Inslee sits at the controls for Hanford’s historic B Reactor in July 12, 2024. It was his first look inside the reactor, part of the Manhattan Project National Historical Park.

Washington Gov. Jay Inslee sits at the controls for Hanford’s historic B Reactor in July 12, 2024. It was his first look inside the reactor, part of the Manhattan Project National Historical Park.

The B Reactor at the Hanford site was the world’s first full-scale nuclear reactor. Here, scientists and engineers pioneered the technology behind nuclear reactors.

B Reactor also produced plutonium for the atomic bomb dropped on Nagasaki, Japan, Aug. 9, 1945, just weeks after the Trinity Test. Japan surrendered Aug. 15, 1945, ending World War II.

HANFORD SITE — A clock centered high on a big control panel inside the B Reactor National Historic Landmark says it's 10:48. At this particular time, it isn't.

Local News Northwest Travel Hanford B Reactor will soon close for tourists. What to know if you go July 15, 2024 at 1:25 pm By Larissa Babiak ...

Washington Gov. Jay Inslee sits at the controls for Hanford’s historic B Reactor in July 12, 2024. It was his first look inside the reactor, part of the Manhattan Project National Historical Park.

B Reactor produced the plutonium that powered the first man-made atomic explosion, the Trinity test, in the New Mexico desert in July 1945. Weeks later, the atomic bomb dropped on Nagasaki, Japan ...