Revelation 8 paints a picture of how God will bring destruction upon the earth in the end times. In the following message, “Sound the Trumpet!,” as part of a verse-by-verse study on the book of Revelation, “Countdown to the Apocalypse,” Dr. Robert Jeffress dives deep into Revelation 8, explaining the purposes of the trumpets, the breaking of the seventh seal, the destruction of the earth and the warning from the Heavenly Messenger.