2 Thessalonians 1:7
and to give rest to you who are suffering and to us, when our Lord Jesus appears from heaven, with his mighty angels
Revelation 16:14-16
They are demon spirits that perform wonders, and they go out to the kings all over the world to muster them for battle on the great Day of God Almighty.
Revelation 19:14
The armies of heaven followed him mounted on white horses and clothed in pure white linen.
Revelation 19:19-20
Then I saw the animal and the kings of the earth and their armies gather to make war on him who was mounted upon the horse and upon his army.
Revelation 20:8-9
and will go out to lead astray the heathen in the four corners of the earth, Gog and Magog, and to muster them for battle, in numbers like the sand of the seashore.