From the Vault: The Turtle Series of Armored Vehicles

From the January-February 1965 issue of ARMOR come this rather intriguing article by the late Robert Icks concerning a proposed series of vehicles called the Turtle Series by the NDRC.  The NDRC (National Defense Research Committee) was set up during WWII to promote and coordinate scientific research related to defense technology.  Some of the most successful programs they helped fund include the Manhattan Project, the DUKW, the proximity fuze and radar technology.  It seems they also proposed a series of tank designs, none of which ever got beyond the mockup stage.  Click on the page images below to read the full article.