Hama offensive (March–April 2017) Wikipedia. The Hama offensive (March–April 2017) was a military offensive launched by Syrian rebel groups led by Hay'at Tahrir alSham (HTS) north of the city of Hama, as part of the Syrian Civil offensive began on 21 March 2017, and the rebels aimed to recapture areas recaptured by the Syrian Armed Forces in the 2016 Hama offensive, as well as pushing into ...