<Ul> <Li> Qatari involvement <Ul> <Li> Al - Nusra Front (2012 - 2017 </Li> </Ul> </Li> <Li> Foreign rebel fighters <Ul> <Li> ISIL </Li> </Ul> </Li> <Li> Turkish involvement <Ul> <Li> Turkey--ISIL conflict </Li> <Li> Tomb of Suleyman Shah relocation </Li> <Li> Euphrates Shield </Li> <Li> 2017 airstrikes </Li> <Li> Idlib Governorate operation </Li> <Li> Afrin operation </Li> </Ul> </Li> <Li> Russian involvement <Ul> <Li> 2015 military intervention </Li> </Ul> </Li> <Li> Iranian involvement <Ul> <Li> (2017 missile strike) </Li> <Li> 2012 Hezbollah involvement </Li> <Li> 2018 Iran--Israel conflict </Li> </Ul> </Li> <Li> Saudi involvement <Ul> <Li> Islamic Front / SIF </Li> <Li> Jaysh al - Islam </Li> <Li> Army of Conquest (formed 2015 </Li> </Ul> </Li> </Ul> <Li> Qatari involvement <Ul> <Li> Al - Nusra Front (2012 - 2017 </Li> </Ul> </Li> <Ul> <Li> Al - Nusra Front (2012 - 2017 </Li> </Ul> <Li> Al - Nusra Front (2012 - 2017 </Li>

Explain the current use of militant forces from syria in the middle east