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.

Richland, WA The public will get a chance to tour B Reactor, the main attraction of the Manhattan Project National Historical Park’ s Hanford site, before it is shut down for repairs later this ...

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.

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.