John:

I would like to give clarification to the comments Arlene has made.

The two witnesses are resurrected and taken to heaven near the end of
the tribulation period just before the return of Christ.

The saints who are taken in the pre-trib rapture return with Christ with
glorified bodies, those like Christ's.

The old testament saints and the saints who received Christ during the
tribulation period and who are martyred are resurrected after the
tribulation period and become a part of the millennial kingdom.  They
will have normal bodies and will produce families to populate the
millennial kingdom.

I hope this clarifies the matter.

Wes K.