The drones have been found to be carrying various types of bombs, including grenades and mortars.
What makes IEDs especially dangerous is that they can can be easily carried, concealed, transported or thrown by a person.
The term IED came into common usage during the Iraq War that began in 2003.
It also shoots a chemical energy charge, which powers the indicators and missile.
The modified Stringer was developed as a team effort between the US Army and Raytheon, a New Jersey-based engineer firm that specializes in defense, civil and cybersecurity markets throughout the world.
A US central command official told Defense One: 'Over the last two months, coalition forces have observed about one adversary drone every day around Mosul.'The Coalition has struck a number of what we believed to be unmanned aerial vehicle facilities in Mosul.'We spend considerable time researching and developing target lists to ensure maximum effects against ISIS.' The weapon (stock) is now a lightweight, self-contained air defense system that can be rapidly deployed by ground troops and on military platforms.