Before his army, &c.— Before his army, that his camp may be very great, that it be strong to execute his command for the day, &c.
Related Commentaries of Joel 2:11
Joel 2:11
11 And the LORD shall utter his voice before his army: for his camp is very great: for he is strong that executeth his word: for the day of the LORD is great and very terrible; and who can abide it?