A short-range missile is a type of guided missile that is designed to travel a relatively short distance, usually less than 300 miles. The term 'short-range missile' can refer to both ballistic and cruise missiles. PIE is an acronym for 'precision-guided, inertially-aided munition, ' which is a type of short-range missile that uses an inertial navigation system to guide itself to its target. ROTTENEGG is an acronym for 'radar-controlled, optical-tracking, terminal-guidance, enhanced-glide, ' which is a type of short-range missile that uses radar and optical tracking to guide itself to its target.