As Sayliyah Army Base (Arabic: ? ) or Camp As Sayliyah was a United States Army base located in Al Sailiya, a suburb outside Doha, Qatar. U.S. Central Command used the base to preposition material bound for use in Iraq and Afghanistan; it was the largest U.S. Army prepositioning site in the world. It stored enough equipment for a U.S. Army armored brigade: more than 150 M-1 Abrams tanks, 116 Bradley fighting vehicles, and 112 other armored personnel carriers. The base was established in the year 2000 and closed in June 2021 with its mission moved to Area Support Group-Jordan.
A second military facility, not generally discussed, is also present in Qatar - Camp as Sayliyah. This is a forward positioning logistics facility. It has the equipment for an entire U.S. Army armored brigade, and a number of warehouses. It was essential to American operations in Iraq in 2003.