Soldiers assigned to Task Force Spartan, U.S. Army Central Command’s Crisis Response Task Force and Marines and Sailors assigned to Naval Amphibious Task Force 51/5th Marine Expeditionary Brigade conduct deck landing qualifications aboard the Expeditionary Sea Base USS Lewis B. Puller (ESB-3), April 20. Joint training between Task Force 51/5 and Task Force Spartan creates flexibility for crisis response in the U.S. CENTCOM area of operations. TF 51/5 is a Joint Task Force-capable headquarters that responds to crises and contingencies; coordinates, plans, and executes operations; conducts theater security cooperation; and advances emerging Naval concepts at sea, from the sea, and ashore.