USS IWO JIMA –Marines and Sailors with the Security Element Platoon, Headquarters and Service Company, Battalion Landing Team 1st Battalion, 2nd Marine Regiment, 24th Marine Expeditionary Unit, ride in a CH-53E Super Stallion helicopter awaiting fast rope training in preparation for a upcoming simulated Expanded Visit, Board, Search and Seizure, Jan. 30, 2012. The 24th MEU is conducting their Certification Exercise (CERTEX) with Iwo Jima Amphibious Ready Group scheduled Jan. 27 to Feb. 17, which includes a series of missions intended to evaluate and certify the unit for their upcoming deployment. The CH-53E helicopters are a detachment from HMH-464 based at Marine Corps Air Station New River, N.C., and comprise part of Marine Medium Tiltrotor Squadron VMM-261 (Rein), which is the Aviation Combat Element for the 24th MEU. (Official USMC Photo by: Gunnery Sgt. Chad R. Kiehl/ Released)