About 100 Ukrainian troops will head to Oklahoma's Fort Sill as soon as next week to begin training on the Patriot missile-defense system, the Pentagon announced on January 10. Ukraine has long sought the Patriot surface-to-air guided missile-defense system because it can target aircraft, cruise missiles, and shorter-range ballistic missiles. The number of Ukrainians coming to Fort Sill is approximately the number it takes to operate one battery, and they will focus on learning to operate and also maintain the Patriot, Pentagon spokesman Air Force General Pat Ryder said. To read the original story from AP, click here.