Just because the angels in Genesis 6 did such a shocking evil thing that God destroyed them, "The Nephilim were on the earth in those days—and also afterward—when the sons of God went to the daughters of humans and had children by them. They were the heroes of old, men of renown," doesn't mean that the angels have entirely left Earth. We all have guardian angels - good angels. But some bad ones are still tempting people to do evil.

The NASA engineer for advanced reentry vehicles analyzed Ezekiel's observation as an advanced STABLE reentry nuclear powered vehicle and obtained patents for wheels within wheels that went in all directions.