21-0001-01-pip2it-2-ssr1

July 8, 2021

The PIP-II team cooled down and successfully operated two cryomodules, including this SSR1 cryomodule, to accelerate particles to a beam energy of 16.5 million electronvolts. Photo: Tom Nicol, Fermilab

A photo of a large red vessel that reads "Fermilab," "Fermi Research Alliance," "PIP-II" and "SSR1" sits on two large concrete blocks.