'Mid heaven' in the Bible

And I saw, and I heard an eagle flying in mid-heaven, saying with a loud voice, Woe, woe, woe, to them that dwell upon the earth, for the remaining voices of the trumpet of the three angels who are about to sound.

And I saw another angel flying in mid-heaven, having the everlasting glad tidings to announce to those settled on the earth, and to every nation and tribe and tongue and people,

And I saw an angel standing in the sun; and he cried with a loud voice, saying to all the birds that fly in mid-heaven, Come, gather yourselves to the great supper of God,