IDF considering replacements for heavy Merkava tank By YAAKOV KATZ 14/07/2011 IDF is continuing to deploy the Guardium unmanned ground vehicle (UGV) – developed by G-NIUS Ground Systems – along the Gaza border. What will the IDF Armored Corps look like in 2020? Will the Merkava Mk 4 tank still serve as the backbone of the IDF’s ground forces or will we see a smaller, lightweight tank, possibly on wheels, plowing through the battlefield? These questions are at the core of ongoing deliberations that are being held in the IDF and Defense Ministry as they begin to consider a potential...