The Marib campaign, also called Marib offensive (Arabic: جبهة مأرب), is an ongoing military campaign taking place in the Yemeni civil war for the control of the Marib Governorate of Yemen. Fighting between the Houthi forces and factions of the Yemeni Army loyal to Supreme Political Council on one side, and Yemeni Army units loyal to president Abdrabbuh Mansur Hadi and militiamen on the other side, took place since early 2015. Marib is rich in oil and gas resources and is a key strategic governorate because it connects the Houthi controlled Sanna and Hadi governorate Hadhramaut governorates.