Also, there are two Greek words that describe 'air' in the NT

1.) AERA - local air, kick the dust into air
2.) OURANEOUS - the heavenlies, way up

in 4:17 the word used is AERA.

So yes, His feet will touch the ground and the overcomers of the past 2000 years and current will receive the honor of the 1st resurrection to life (Rev 20:6) ON EARTH