I separated from the active duty military in April and joined the National Guard in September of 2016. How do I annotate that in my taxes?

[ToddL]

In the Personal Interview, you can describe your military service for 2016.

1. You served in the U.S. Armed Forces in 2016;

2. Your military status as of 12/31/2016 was "National Guard"; and You were in the military all year; and

3. You were in the military all year.