Patrol Base Jaker

Patrol Base Jaker in Afghanistan was a military expeditionary base used by the United States Marine Corps and British Army. It was in along the Helmand River Valley in Nawa-I-Barakzayi. It was originally built by the British Army of Task Force Helmand in 2008. In June 2009, it was transferred to the Marines of 2nd Marine Expeditionary Brigade. It was also the setting for the documentary film Patrol Base Jaker.

Units
 * C Company, 1 RIFLES
 * 1st Battalion 5th Marines
 * The Black Watch, 3rd Battalion, The Royal Regiment of Scotland (2009)
 * 1st Battalion 3rd Marine Regiment Alpha Company (2010-2011)
 * 3d Battalion 3d Marine Regiment Kilo Company (2011)
 * Police Mentor Team Mobile Unit (2011)
 * 2d Battalion 3d Marine Regiment (2012)