... will still be in the military and likely deployed when I ... as I wind down my military career this summer. I am ... for the LSAT with a military schedule, finishing my masters degree ...
It's the LSAT... Nobody cares where you take it as long as it was administered in an official capacity. AFAIK, unpublished test centers only affect what you will get back afterwards. Don't sweat it, military personnel do this stuff all the time.