When the days of the Tribulation have come
upon the world; they will come to an end by
a mightly invasion from Heaven.

The Great Tribulation ends when the saints
of God come down from heaven on horseback
with the Lord Jesus!!

This is not the rapture of the church. That has
already been raptured and they (the church)
are returning on white horses with Him who
John saw on 'a white horse called Faithful and
True'.