The reason for the resurrection/rapture event to take place before the 2Thessalonains2:4 sit in by the Antichrist is because that action of his will trigger the day of Christ, who is our Lord, so the day of Lord.
What we read in 1Thessalonians5:2-3, that the day of the Lord will come as a thief in the night would come. The
unsaved world will be caught unawares, and they will be saying peace and safety, when they will be plunged into a time of destruction..
But not Christians, as we are aware that day is coming and will take the unsaved world by surprise. What we are told to do in 1Thessalonians 5:8 is be vigilant, and maintain our hope of salvation, which includes the redemption of our bodies.
In 1Thessalonains5:9-11, is the resurrection/rapture event, that by grace Christians will not be appointed to the time God's wrath when the Antichrist does his audacious act of claiming to have achieved God-hood, when he sits in the temple,
The resurrection/rapture is 1Thessalonians5:10.
9 For God hath not appointed us to wrath, but to obtain salvation by our Lord Jesus Christ,
10 Who died for us, that,
whether we wake or sleep, we should live together with him.
11 Wherefore comfort yourselves together, and edify one another, even as also ye do.
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Yes, I believe the resurrection/rapture is the same event of 1Corinthians15:52.
Some believers place the rapture/resurrection to take place with the 7th trumpet in Revelation, thinking that is what is mean by "at the last trumpet" in 1Corinthians15:52.
I personally do not. I think is has to do with 1Thessalonians4:16, the trump of God, a series of trumpet blasts, as Jesus comes forth from heaven to circumnavigate the earth resurrecting the dead in Christ and translating the living in Christ.
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