The Defense Threat Reduction Agency (DTRA) hopes to develop an Underground Robotic Munition (RUM) to be used for single use.
This robot would be able to go underground and dig a hole towards a potential underground target; once it reaches its destination it would explode, thus destroying its enem
This is a companion discussion topic for the original entry at https://community.robotshop.com/blog/show/rum-the-underground-robotic-weapon