Navy Petty Officer 2nd Class Joseph Ching, Space and Naval Warfare 220, from San Diego, Calif. prepares the Talon Mark 4 Explosive Ordnance Disposal robot for a demonstration June 19, 2007. The robot is used to investigate and destroy improvised explosive devises in Iraq and Afghanistan. Ching is part of an active-duty ordance training team visiting Camp Smith to provide training for New York's 501st EOD Battalion and 1108th EOD company, both headquartered in Schenectady.