I posted this in response to a comment downthread, then realized that it's probably more appropriate at the top level, given the headline. Sorry for the dupe.
That's not all the US is doing in Deutschland. "[T]he slides show that the facilities at Ramstein perform an essential function in lethal drone strikes conducted by the CIA and the U.S. military in the Middle East, Afghanistan and Africa."[0]
So it is not just spying on the EU that is being enabled by Germany's government, it is the entirety of the US drone program that is being used across the Middle East and north Africa. This program, operating as it does outside of declared war zones, is very probably illegal under German law.
That's not all the US is doing in Deutschland. "[T]he slides show that the facilities at Ramstein perform an essential function in lethal drone strikes conducted by the CIA and the U.S. military in the Middle East, Afghanistan and Africa."[0]
So it is not just spying on the EU that is being enabled by Germany's government, it is the entirety of the US drone program that is being used across the Middle East and north Africa. This program, operating as it does outside of declared war zones, is very probably illegal under German law.
[0]https://firstlook.org/theintercept/2015/04/17/ramstein/