U.S. Marines with the logistics combat element of Special Purpose Marine Air-Ground Task Force South describe a water purification system to Peruvian marines during a tour on the future assault ship USS America (LHA 6) in Peru Sept. 1, 2014. The America embarked on a mission to conduct training engagements with partner nations throughout the Americas before reporting to its new home port of San Diego. The America was set to be ceremoniously commissioned Oct. 11, 2014.