Well Obama was around when both the Kennedy & the Enterprise were ordered -
From a European point of view we don't see much difference on military matters between Presidents TBH ('cept Carter) - they all seem to spend money like water, although on different things, they all seem to love fighting foreign wars many od which they'd have been better staying out of.
And yes the Europeans are a disgrace leaning on the USA for everything
V Interesting article in the Economist this weekend in their annual what-if edition about what would happen if President Trump pulled the US out of NATO in 2020....... not pretty