Welders at the VLA
![Welders at the VLA](https://public.nrao.edu/wp-content/uploads/2013/09/gallery-images-largeVLAwelders_large.jpg)
Millions of tons of steel make up the 28 antennas of the Very Large Array. It takes a dedicated crew of skilled welders to keep the antennas in safe, working order and to construct new metal installations when needed around the busy New Mexico observatory site.
Credit: NRAO/AUI/NSF
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