Revelation 8:13 And I saw, and I heard one messenger, flying in the mid-heaven, saying with a great voice, 'Wo, wo, wo, to those dwelling upon the land from the rest of the voices of the trumpet of the three messengers who are about to sound.' (See NAS RSV)
Revelation 14:6 And I saw another messenger flying in mid-heaven, having good news age-during to proclaim to those dwelling upon the earth, and to every nation, and tribe, and tongue, and people, (See NAS RSV)
Revelation 19:17 And I saw one messenger standing in the sun, and he cried, a great voice, saying to all the birds that are flying in mid-heaven, 'Come and be gathered together to the supper of the great God, (See NAS RSV)