When will the Second Coming happen relative to the tribulation?
The Second Coming happens after the tribulation has ended. By that time, it will be time for the Second Coming, when He will come in power and glory and destroy all the nations gathered in the Middle East under the Antichrist. He will not come from the desert or secret chambers, but from heaven.
Les explains that during the tribulation, false Christs and false prophets will arise and show great signs and wonders, getting their power not from God but from Satan, attempting to deceive the very elect—believers who are still surviving. Jesus warned that if anyone says the Messiah is in the desert or in secret chambers, believers should not believe it, because He will not come from those areas. He will come from heaven, and by the time the tribulation has ended, it will be time for the Second Coming, when He will come in power and glory and destroy all the nations gathered in the Middle East under the Antichrist.