Albert Barnes Commentary Psalms 148:2

"Praise ye him, all his angels: Praise ye him, all his host." — Psalms 148:2 (ASV)

Praise ye him, all his angels - Dwelling in the heavens. Compare the notes at (Psalms 103:20).

Praise ye him, all his hosts - See the notes at (Psalms 103:21) and the notes at (Isaiah 1:9). All his armies - referring to the angels considered as marshalled into hosts, of which God is the Head and Leader.