Meanwhile, in Boca Chica...

The large structure - now known to be a huge windbreaker that will be covered in material and will help protect the welding process - is still being constructed as seen here in Mary's (@BocaChicaGal) photos:https://t.co/Dh3Jaf7xil pic.twitter.com/xB3UwTf6wV

— Chris B - NSF (@NASASpaceflight) July 10, 2019