 What man-portable, counter-radio-controlled improvised explosive device (IED) jammer was built by a corporation headquartered in Sparks, Nevada?
Thor III: The THOR III is man-portable, counter-radio-controlled improvised explosive device (IED) jammer built by Sierra Nevada Corp and employed by the U.S. Army, U.S. Marine Corps, and partnered Afghan National Army soldiers in Afghanistan. Sierra Nevada Corporation:  It is headquartered in Sparks, Nevada.
The THOR III