On top of VLA antenna
![VLA antenna and worker](https://public.nrao.edu/wp-content/uploads/2013/09/gallery-images-largeVLAtechonfeed_large.jpg)
Engineers are required to wear safety harnesses when performing routine inspections on the VLA’s telescopes. Here we see an engineer attached to the antenna’s feed.
Credit: NRAO/AUI/NSF
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