Suddenly, a multitude of the Heavenly Army appeared with the angel, praising God by saying,
1 Kings 22:19
But Micaiah responded, "Therefore, listen to what the LORD has to say. I saw the LORD, sitting on his throne, and the entire Heavenly Army was standing around him on his right hand and on his left hand.
A river of fire flowed out from before him. Thousands upon thousands were serving him, with millions upon millions waiting before him. The court sat in judgment, and record books were unsealed.
Then I looked, and I heard the voices of many angels, the living creatures, and the elders surrounding the throne. They numbered 10,000's times 10,000 and thousands times thousands.
when he had a dream! He saw a raised highway that had been built with its ending point on earth and its beginning point in heaven. God's angels were ascending and descending on it.
As Jacob went on his way, angels from God met him.
Bless the LORD, you angels who belong to him, you mighty warriors who carry out his commands, who are obedient to the sound of his words.
The seraphim stood above him. Each had six wings: with two he covered his face, and with two he covered his feet, and with two he was flying.
Then the Spirit lifted me up and I heard a great earthquake behind me and the glory of the LORD arose from his place,
In the same way, I tell you that there is joy in the presence of God's angels over one sinner who repents."
He did this so that now, through the church, the wisdom of God in all its variety might be made known to the rulers and authorities in the heavenly realm
All of them are spirits on a divine mission, sent to serve those who are about to inherit salvation, aren't they?
1 Peter 1:12
It was revealed to them that they were not serving themselves but you in regard to the things that have now been announced to you by those who brought you the good news through the Holy Spirit sent from heaven. These are things that even the angels desire to look into.