Tactical Ground Reporting (TIGR) System ______________________ Photo Courtesy of Defense Advanced Research Projects Agency (DARPA) Sponsorship TIGR is being developed by General Dynamics C4 Systems under the sponsorship of the Defense Advanced Research Projects Agency (DARPA) and the U.S. Army Rapid Equipping Force (REF). Published TIGR Articles MIT Technology Review Washington Post Army.mil TIGR is an advanced geospatial multi-media patrol planning and patrol debrief database system designed for use by the lowest echelons of operational forces. TIGR has been fielded operationally since January 2007. CHI Systems has provided continuous support to the development of the TIGR system since March 2006. This includes: Software development and software support services User interface design and usability evaluation services Software functional testing services and Training technology development services