Numbers 10:5
When you blow an alarm, then the camps that are located on the east side must begin to travel.
Numbers 2:3-9
"Now those who will be camping on the east, toward the sunrise, are the divisions of the camp of Judah under their standard. The leader of the people of Judah is Nahshon son of Amminadab.
Numbers 10:14
The standard of the camp of the Judahites set out first according to their companies, and over his company was Nahshon son of Amminadab.
Numbers 10:6-7
And when you blow an alarm the second time, then the camps that are located on the south side must begin to travel. An alarm must be sounded for their journeys.
Isaiah 58:1
"Shout loudly! Don't be quiet! Yell as loud as a trumpet! Confront my people with their rebellious deeds; confront Jacob's family with their sin!
Joel 2:1
Blow the trumpet in Zion; sound the alarm signal on my holy mountain! Let all the inhabitants of the land shake with fear, for the day of the Lord is about to come. Indeed, it is near!