The Army of Islam militant group battling ISIS and the Syrian Army show their might in 'graduation ceremony' featuring 1,700 soldiers and a fleet of armored tanks.
Jaysh Al-Islam is led by Zahran Aloush and he command as many as 25,000 loyal fighters following the merger of up to 60 rebel factions inside Syria.
The group operates and funded by the wealthy nation of Saudi Arabia. The Arab kingdom has sent millions of dollars to arm and train their fighters, according to the Guardian.
Known as the Army of Islam, the insurgent group was created in 2011 when Saudi Arabia allegedly engineered the merger of over 50 rebel factions after alarmed at the rise if Al-Qaeda and ISIS in Syria.
Army of Islam is a fierce enemy of both those Islamist groups as well as Jabhat Al-Nusra, but embraces independent rebel forces and 'non-Jihadi' units.
They operate in Ghouta suburb of Rif-Damascus.
Zahran Aloush the Salafist leader called for the 'cleansing' of all Alawite and Shiites in Damascus.