Numbers 10:9

9 When you go into battle in your own land against an enemy who is oppressing you, sound a blast on the trumpets. Then you will be remembered by the LORD your God and rescued from your enemies.

Read Numbers 10:9 Using Other Translations

And if ye go to war in your land against the enemy that oppresseth you, then ye shall blow an alarm with the trumpets; and ye shall be remembered before the LORD your God, and ye shall be saved from your enemies.
And when you go to war in your land against the adversary who oppresses you, then you shall sound an alarm with the trumpets, that you may be remembered before the LORD your God, and you shall be saved from your enemies.
“When you arrive in your own land and go to war against your enemies who attack you, sound the alarm with the trumpets. Then the LORD your God will remember you and rescue you from your enemies.