U.S. Army 160th Special Operations Aviation Regiment (SOAR) MH-47G Chinook helicopter pilots perform preflight operations during Emerald Warrior 2013 at Hurlburt Field, Fla., April 29, 2013. Emerald Warrior is an annual two-week joint/combined tactical exercise sponsored by U.S. Special Operations Command designed to leverage lessons learned from operations Iraqi and Enduring Freedom to provide trained and ready forces to combatant commanders. U.S. Air Force photo by Staff Sgt. Elizabeth Rissmiller Qatar armed forces 1st Lt. Abdul Majid Al-Shammari, a special operations forces officer, communicates with other members of his unit while conducting a joint counterterrorism exercise with U.S. military members and other partnering nations in Zikrit, Qatar, April 28, 2013. Exercise Eagle Resolve 2013 demonstrated U.S. Central Command's dedication to Gulf Cooperation Council regional partners and the combined efforts to sustain regional security and stability. Communication is vital between all nations in order to successfully complete each exercise mission. U.S. Air Force photo by Staff Sgt. Kenny Holston A U.S. Air Force AC-130W Stinger II aerial gunner reloads 30mm ammunition during a flight at Hurlburt Field, Fla., April 24, 2013. DoD photo by Senior Airman Matthew Bruch, U.S. Air Force A coalition force member fires a Carl Gustav recoilless rifle system during weapons practice on a range in Helmand province, Afghanistan, Feb. 16, 2013. Coalition force members test fire various weapons systems on the range to check accuracy. U.S. Army photo by Sgt. Benjamin Tuck, A U.S. Air Force AC-130H Spectre gunship is prepared for takeoff before a close air support mission during Emerald Warrior 2013 at Hurlburt Field, Fla., April 29, 2013. U.S. Air Force photo by Senior Airman Matthew Bruch A Marine Special Operations Team member fires an M240B machine gun during night fire sustainment training in Helmand province, Afghanistan, March 28, 2013. The Year in Special Operations Year in Review 2013-2014 Edition features an interview with Maj. Gen. Mark A. Clark, the commander of Marine Corps Forces Special Operations Command (MARSOC). U.S. Marine Corps photo by Sgt. Pete Thibodeau Combat controllers and Army Special Forces operators execute a static line jump from an MC-130H Combat Talon II during Emerald Warrior 2013 April 26, 2013, at Hurlburt Field, Fla. U.S. Air Force photo by Staff Sgt. Andy M. Kin Special operators from the United Arab Emirates and Qatar practice ship boarding during Exercise Eagle Resolve 13. Eagle Resolve is an annual, multilateral exercise designed to enhance regional cooperative defense efforts of the Gulf Cooperation Council nations and U.S. Central Command. U.S. Navy photo by Mass Communication Specialist 1st Class Daniel Gay Rangers from 1st Battalion, 75th Ranger Regiment conduct a full mission rehearsal in Afghanistan in preparation for a night combat operation April 22, 2013. U.S. Army photo by Spc. Ryan S. Debooy A U.S. Air Force airman from the 23rd Special Tactics Squadron jumps out of the back of a MH-47 Chinook helicopter at Wynnehaven Beach, Fla., April 9, 2013. The 23rd STS partnered with 160th Special Operations Aviation Regiment (Airborne) to conduct personnel recovery training using alternate infiltration and exfiltration techniques. U.S. Air Force photo by Airman 1st Class Christopher Callaway Canadian special operations regiment members call in close-air support from their U.S. Air Force allies during Emerald Warrior 2013 April 26, 2013, at Hurlburt Field, Fla. U.S. Air Force photo by Senior Airman Matt Bruch A coalition forces member maintains security from a light tactical all-terrain vehicle during a patrol with Afghan National Army Special Forces to escort an Afghan district governor in Helmand province, Afghanistan, April 14, 2013. The Year in Special Operations Year in Review 2013-2014 Edition contains a review of special operations ground vehicles. DoD photo by Sgt. Pete Thibodeau, U.S. Marine Corps Canadian Special Operations Regiment members conduct a free-fall jump out of a U.S. Air Force C-17 Globemaster III aircraft over Hurlburt Field, Fla., April 28, 2013, during Emerald Warrior 2013. DoD photo A U.S. Army Special Operations Command (USASOC) soldier pulls security as his teammate secures a hostile's information during Operation Serpent Catfish as part of Emerald Warrior 2013, John C. Stennis Space Center, Miss., May 1, 2013. During the operation, the soldiers infiltrated a simulated hostile camp, eliminated the enemy threat and collected evidence as part of sensitive site exploitation. U.S. Air Force photo by Staff Sgt. Chris Griffin Italian special operations forces fast-rope during a mountain training exercise in L' Aquila Abruzzo, Italy, May 3, 2013. The Year in Special Operations Year in Review 2013-2014 Edition includes an article examining the evolution of international special forces. U.S. Army photo by Staff Sgt. Teddy Wade A U.S. Navy SEAL scans a field for simulated enemy threats during Operation Urban Corkscrew as part of Emerald Warrior 2013 at Camp Shelby, Miss., April 29, 2013. DoD photo by Staff Sgt. Chris Griffin, U.S. Air Force U.S. and Peruvian military officials travel in two MH-60 Black Hawk helicopters over the rugged Peruvian countryside to observe a combined U.S.- Peruvian special operations exercise in the Pasco region, located in central Peru, May 7, 2013. The exercise allowed U.S. and Peruvian special operations forces to share military tactics, improve interoperability and strengthen partnerships between the two nations. DoD photo by U.S. Army Maj. Emanuel Ortiz, Special Operations Command South Public Affairs Office U.S. Air Force pararescuemen fly on a U.S. Navy HH-60 Seahawk helicopter during the fast rope training portion of Emerald Warrior 2013, at Hurlburt Field, Fla., April 24, 2013. DoD photo by Tech. Sgt. Quinton Russ, U.S. Air Force Sailors assigned to Republic of Korea Special Warfare Flotilla and SEAL Team 17 prepare to conduct a visit, board, search and seizure during exercise Key Resolve 2013. Exercise Key Resolve is an annual combined and joint command post exercise that is executed under various scenarios with the purpose of honing the skills necessary to defend the Republic of Korea by improving ROK-U.S. combined forces' operational capabilities, coordinating and executing the deployment of U.S. reinforcements, and maintaining ROK military combat capabilities. U.S. Navy photo by Lt. Cmdr. Cheol Kang U.S. Navy SEALs attack a simulated enemy threat during Operation Urban Corkscrew as part of Emerald Warrior 2013, Camp Shelby, Miss., April 29, 2013. During the operation, the SEALs extracted two simulated downed helicopter pilots back to safety. U.S. Air Force photo by Staff Sgt. Chris Griffin