Numbers 10:9
When you enter into battle in your land against an adversary who attacks you, sound short blasts on the trumpets, and you will be remembered before the LORD your God and delivered from your enemies.

Joshua 6:4-20
Have seven priests carry seven trumpets of rams' horns in front of the ark. Then on the seventh day, march around the city seven times, while the priests blow the trumpets. . . .

Judges 7:16-18
And he divided the three hundred men into three companies and gave each man a trumpet in one hand and a large jar in the other, containing a torch. . . .

Nehemiah 4:18-21
And each of the builders worked with his sword strapped at his side. But the trumpeter stayed beside me. . . .

Job 39:24, 25
Trembling with excitement, he devours the distance; he cannot stand still when the trumpet sounds. . . .

Isaiah 27:13
And in that day a great trumpet will sound, and those who were perishing in Assyria will come forth with those who were exiles in Egypt. And they will worship the LORD on the holy mountain in Jerusalem.

Amos 3:6
If a trumpet sounds in a city, will the people not tremble? If calamity comes to a city, has not the LORD caused it?

Ephesians 6:11-18
Put on the full armor of God, so that you can make your stand against the devil's schemes. . . .