After these things I heard something like a loud voice of a great multitude in heaven, saying, "Hallelujah! Salvation, glory, and power belong to our God: -- Revelation 19:1.
Does this mean that the "great multitude" spoken of in Revelation 19:1 are being pictured in heaven where God's throne is, and where the angels are always able to "see" the fact of God? (Psalm 11:14; Matthew 18:10) No, for the word "heaven" in the Bible does not always mean such. Indeed, the present “heaven” that now is, which relates to the authoritarian religious/ruling elements of mankind, however, is to pass away. (Revelation 21:1; 2 Peter 3:7,12) This heaven that is to pass away is not the heaven where God's throne is, since God's dwelling place will never pass away; thus the heavens that passes away is evidently the sectarian religious and other ruling elements among mankind here on earth that seek to control mankind with their philosphies.
If this is the same "great multitude" that is spoken of in Revelation 7, we believe that, while this great multitude is yet among the sectarianism of Babylon the Great, they have consecrated themselves to God. In this position, many Christians today of many different denominations, nations and tribes, are now proclaiming their salvation in Christ, although as yet they are still being hindered by mankind's sectarianianism under the blinding influence of Satan. (2 Corinthians 4:4; Revelation 12:9) Thus, they are still to a great degree being deceived by the sectarianism that exists all around them (Revelation 13:14); it is only after this sectarianism is destroyed in the great tribulation and Satan is abyssed, that they will be able to see beyond the deceptions of Satan (Revelation 12:9; 13:14), and then the Lamb will lead them to the waters of life, which Isaiah 25 shows will be on the earth, not in the heaven where God's throne is. -- Isaiah 25:6-8; Revelation 7:14-17; 20:1-3.
After the present heavens have passed away, there are to be a new heavens and new earth -- not that God's home dwelling place ever passes away, but the ruling elements related to mankind on earth passes away. Then there is to be a new heavens, a new ruling arrangement, without Satan's blinding influence. God will then dwell with man on earth, not by a physical means but by spiritual means, for He, through Christ and the joint-heirs -- Christ's bride -- will constitute the headship of the the new heavens that is rule over the new earth.