Fiber Optic Production (FOP): The crew performed a preform and spool exchange allowing the ground to initiate a print run. The Hardware was then removed from the Microgravity Science Glovebox (MSG) and stowed. The Fiber Optic Production investigation creates optical fibers with high commercial value aboard the ISS using a blend of zirconium, barium, lanthanum, …
Click here for original story, ISS Daily Summary Report – 6/20/2019
Source: ISS Report