al-Rāyyah Foundation for Media presents a new video message from Jaysh al-Ummah: “To the Mujāhidīn in Syria: How To Produce the 107 Rocket”

http://jihadology.net/2013/01/12/al-rayyah-foundation-for-media-presents-a-new-video-message-from-jaysh-al-ummah-to-the-mujahidin-in-syria-how-to-produce-the-107-rocket/