In a word, those weren’t angels, but ministering beings. Read my original post.
I guess this depends upon how we define the word ‘Angel’. Obviously, some of the Heavenly Host have wings and do not appear as we do; while some appear human in every regard, and others may appear fearsome in the extreme.
Could it be that God’s Angels can chose to be whatever they wish to be; to accomplish the task at hand? I don’t know - never met one in person, and not sure I really want to until I have to.
Lists Every Catholic Should be Familiar With: The 9 Choirs of Angels
What about Christ’s Agony in the Garden of Gethsemane.
An angel strengthened him.