I'd say Trump has some anti-interventionism in his blood....along with his base, but Trump would throw that out if it kept him in power. If the story is correct just last week Pence and others had to reject Trump's idea of attacking Iran as he seeks ways to stay in power.
As far as foreign policy, Trump's base should love Obama, who was one of the very few Senators with the guts (and sense) to vote against the Iraq war, which spawned Isis and made the crisis in Syria all the more deadly and tragic, and made it necessary to keep troops there much longer.
Obama for the most part, in bi-partisan fashion, followed the advice of his military. He had Chuck Hegel, a Republican, as his defense secretary for a while (or was it Sec. of State?), which was not the only example of his bipartisanship. Keeping troops in a war torn region after getting elected is not the same as being an interventionist like George W. Bush.
People should differentiate and not lump Obama in with the Dick Cheney's of the world.