Rise of the Reds Blog Update 18

As of 1.85, the ECA R&D Compound will be given a new model with a smaller footprint for easier deployment in confined spaces. It's functionality remains unchanged and you can rest assured that the old model will not go to waste, as it will likely find some new use on a future mission map.

Source:

http://www.moddb.com/news/rise-of-the-reds-blog-update-18