CHECKPOINT NORTH U.S. Marine Staff Sgt. Robert Jernigan peers around a corner while a U.K. soldier provides security during a patrol near Checkpoint North in Helmand province, Afghanistan, Sept. 23, 2009. Jernigan and fellow Marines serve as liaisons between the U.K.’s Task Force Helmand and the Marine brigade, also known as Task Force Leatherneck. Jernigan is a team leader assigned to the 2nd Air Naval Gunfire Liaison Company, Marine Expeditionary Brigade Afghanistan. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 294341-D-YIE63-972.jpg Photo Gallery