Kamov Ka-18 (NATO codename: Hog). This is one of the series of Graphics Training Aids (GTA) used by the United States Army to train their personnel to recognize friendly and hostile aircraft.
Kamov Ka-15 | This Day in Aviation
Kamov Ka 18 - Alchetron, The Free Social Encyclopedia
File:BAM-26-Kamov Ka-28.jpg - Wikimedia Commons
Kamov Ka-18 | Kamov Ka-18 was a civil derivative of the Ka-1… | Flickr
Kamov Ka-18 helicopter - development history, photos, technical data
Kamov Ka-18 helicopter - development history, photos, technical data