2017 has been a roller coaster — both in the US and abroad, the year ends with the world in a very different place from where it was 12 months ago.

Now, as has become our tradition, the Business Insider military-and-defense team will predict the future.

In the past, we’ve done well. Last year we correctly identified many of the problems the world would face in 2017, including some that directly challenged the new US president, Donald Trump.

It’s clear Trump will have more decisions and crises to face in the coming year. To be sure, other global leaders will as well, but the “America First” president has proved to be unpredictable, if nothing else.