Ogre, GEVs, and armored jetpack infantry on the battlefields of the year 2085 (Winchell Chung, Metagaming's The Space Gamer issues #11, April-May-June 1977, and #12, July-August 1977)

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Ogre, GEVs, and armored jetpack infantry on the battlefields of the year 2085 (Winchell Chung, Metagaming's The Space Gamer issues #11, April-May-June 1977, and #12, July-August 1977)
Size comparison
(via Winchell Chung's Atomic Rockets: An Invaluable SF Resource) If you haven’t heard, Winchell Chung has been hospitalized with a terminal disease. This is a fitting tribute to his achievements.
Hot take: if you don’t have a favorite Winchell Chung quote, your opinions on realism in fictional spaceships are essentially irrelevant. (Mine is “Cherenkov Radiation: If you see this in the air, the good news is you can probably live long enough write your last will and testament. If you write very quickly.”)
Ogre Mk. V
Vehicles of the near-future -- tanks, haulers, and GEVs (2 by Winchell Chung including a GEV with external missile rack and a tractor pulling a missile sled with snow-suited troopers for Ice War in The Space Gamer 18, July-August 1978; a GEV by Kevin Shaughnessy from the same issue; a tank by Jennell Jaquays in issue 15, January-February 1978)
Winchell Chung illustrations from the future battlefields of Ogre and GEV (from "G.E.V. a designer's introduction" by Steve Jackson, The Space Gamer 17, May-June 1978)