Complex sentence: The 2015--16 Latakia offensive is an ongoing campaign of the Syrian Civil War that was launched by government forces in November 2015 to recapture rebel-held territory in the Latakia Governorate bordering Turkey.
Split into simpler sentences: The 2015--16 Latakia offensive was launched by government forces during the Syrian Civil War in November 2015. The objective of the operation is to take control of rebel-held territory in the Latakia Governorate bordering Turkey.