guard, and remnants of military units loyal to Hadi decided to fight. Violence reached its peak in the capital when the Houthis launched their last power grab when they drove out the presidential guard from the presidential compound and secured camp Bilad Al Rus, the main base of the MBG (Missile Batteries group) as well as Al Daylami Air Base and the Ministry of defense building in Sanaʽa. Saudi Arabian-led intervention in Yemen Pro-Hadi forces Beginning in October 2015, the Saudi-led coalition transitioned from direct fighting to providing support and training for Yemeni forces loyal to President Hadi's government. They helped form a new Yemeni National Army (YNA), which they trained at the Al Anad Air Base in the Lahij Governorate. These consisted of Hadi loyalist units, popular mobilization militias and Eritrean and Somali recruits. They also include large parts of the former Yemeni military that are based in the southern, eastern and central parts of Yemen. Eight brigades were trained in total. The Gulf coalition-trained YNA order of battle is as follows: "Salman Decisiveness" 1st Infantry Brigade 2nd Infantry Brigade 3rd Infantry Brigade 4th Infantry Brigade 19th Infantry Brigade 22nd Infantry Brigade 14th Armored Brigade Parts of the former Yemeni army also joined Hadi including: 35th Armoured Brigade 115th Armoured brigade 312th Armoured brigade 123th infantry brigade 3rd mountain infantry brigade 2nd border guards brigade 11th border guards brigade 310th Armoured brigade 3rd Presidential guard brigade The Hadi government forces are organized into military districts, as established by the Presidential Decree No. 103 dating back from 2013, dividing each of the country's provinces into military regions. As of 2016, four are in active service under President Hadi, but the other three are areas under Houthi control. They include the following: First Military Region (Hadhramaut Governorate—Seiyun) Second Military Region (Hadhramaut Governorate–Mukalla) Third Military Region (Marib Governorate) Fourth Military Region (Aden Governorate) In addition to ground forces, the UAE air force trained pilots to form a new Yemeni Air Force using Air Tractor AT-802 light craft. By late October these were reported to be in operation and assisting Hadi loyalist army units near Taiz. Yemeni Army troops fought in Taiz against the Houthi forces, seizing control of several districts in the city in late April 2017. A renewed offensive was launched by the Yemeni national army which received plentiful air support from the Yemeni air corps\Saudi-led coalition, secured the whole of