A.90.150 Orlan wing-in-ground effect

The Orlan, or Orlyonok (also called A.90.150 and Casp B) was an amphibious assault transport developed originally as part of the Soviet Union's advanced-technology air vehicle effort known as the wing-in-ground (WIG) effect program. Original plans called for building 120 systems as troop transporters and assault vehicles, but only four were produced.

WIG vehicles fly in "ground effect" over land or water, reportedly achieving considerable increases in load-carrying capability over...