bellicose - BELL-ih-COSE - warlike, belligerent, hostile, militant
Example: "NPR news announced that a new trend, openly brandishing arms at political rallies, is growing alarmingly."
As a starter: and as a former teacher in English, I hope to add to reader's vocabulary by presenting a word a day in simple terms that anyone can understand - from current use in publications, radio,TV, etc. Remember: use a new word three times in a day and it's yours forever!