The Three Angel Messengers
First Angel - The Everlasting Gospel
Revelation 14:6-7
"And I saw another angel fly, in the midst of heaven, having the Everlasting Gospel to preach unto them that dwell on the earth, and to every nation and kindred and tongue and people; saying with a loud voice 'Fear God, and give glory to Him; for the hour of His judgment is come: and worship Him that made heaven and earth and the sea and the fountains of waters.'"