Iranian soldiers and the Sultan of Oman's Boeing 747 at Tehran's airport.Majid Asgaripour/WANA via REUTERSSeveral airlines retired the Boeing 747 during the pandemic and Boeing stopped production.But the iconic "Queen of the Skies" is still operated by several country's governments and royals.That includes China's Xi Jinping and the Saudi King, who boards on a golden escalator.The Boeing 747 has become one of the most iconic airplanes ever built since it was introduced in 1970.