'Mid heaven' in the Bible

And I looked and I heard a solitary eagle flying in mid-heaven, and crying with a loud voice, "Woe, woe, woe for all who live on the earth, Because of the rest of the trumpet-blasts That the three angels are about to blow!"

Then I saw another angel who was flying in mid-heaven. He had an eternal evangel, to evangelize all the dwellers on the earth, of every nation and tribe and tongue and people.

And I saw an angel standing in the sun, who shouted in a loud voice to all the birds that fly in mid-heaven, "Come, gather yourselves together to the great supper of God,