'Mid heaven' in the Bible

Then I looked, and I heard an eagle flying in mid-heaven with a loud cry, "Woe, woe, woe to the dwellers on earth, for the rest of the trumpet-blasts that the three angels are about to blow!"

Then I saw another angel flying in mid-heaven with an eternal gospel for the inhabitants of the earth, for every nation and tribe and tongue and people;

Then I saw an angel standing in the sun, who shouted aloud to all the birds that fly in mid-heaven, "Come, gather for the great banquet of God,