"and it made me wonder if we are strong enough to get over this..." When you say "we", don't you just mean you? Shouldn't it read "and it made me wonder if I am strong enough to get over this?"
Blokes (and women) who go 'on the turn' after a few drinks have deep psychological problems and lots of anger, which they are no longer able to keep under wraps as the alcohol un-inhibits them.
Unless he gives up drinking, it will happen again...and again....and again. Maybe one time it will happen when you're at home and he'll punch a hole in the wall, put his fist through a door, kick over tables and chairs and cut his arm on the mirror he's just punched the lights out of, dripping blood all over the carpet. Of course he will be sorry the next day.
Don't just hope that everything is ok because you so want it to be. You deserve better and you know it but you want it all to be fine and you want to believe him but in your heart you have a huge horrid feeling of doom. Please don't ignore it.
If he doesn't stop drinking then you need to get out.
I know "I was that soldier!"