Some days, everything just goes right. We came in early, broke down the detector readout system, installed the double window parts, removed the cryo mass dummy from the gondola, and installed the cryostat into the gondola -- all in 3 hours. The rest of the day was devoted to mounting the detector readout boxes (the "BROs"), of which we got all 4 mounted, mounting one of the power crates (the other needs some investigations), and tying up some of the cables so Joy and Chappy can do scan tests tonight without having to worry about snagging cables.
All in all, pretty awesome.
And turns out we're not the only ones who have a cryostat mounted on their gondola -- the BLAST team mounted theirs yesterday.