The U.S. Army Corps of Engineers Deployable Tactical Operating System (DTOS) communications units or Engineer Command and Control Vehicle from the U.S. Army Corps of Engineers Mobile District ECCV7 was pre-staged in Puerto Rico for rapid emergency response during Hurricane Season. Defense Logistics Agency Troop Support’s Construction and Equipment supply chain recently awarded a contract that will provide the USACE with six new ECCVs with upgraded communications systems and military air transport capabilities.