Germany is not equipped to go to war any time soon. They can't even keep their current forces armed.
https://www.dw.com/en/1-in-10-german-military-pilots-lost-he...
The political climate would need to change a lot for politicians to allow more military spending and budget cuts elsewhere. The current discussion about refugees and the unstable situation regarding Trump and the NATO might change this.
I still agree on Europe having lots of trouble in 10-15 years.