In this file photo, front to back; the expeditionary fast transport ship USNS Millinocket (T-EPF 3), the Sri Lanka navy vessel SLNS Samudura (P 621), the guided-missile destroyer USS Spruance (DDG 111), and the Sri Lanka navy warship SLNS Sayurala (P 623) transit the Indian Ocean performing formation maneuvers during the sea phase of the U.S. Navy’s 25th annual Cooperation Afloat Readiness and Training (CARAT) exercise series with the Sri Lanka navy, April 20, 2019. U. S. Sailors and Marines join the Sri Lanka Armed Forces to conduct partnered training that focuses on building interoperability during both the sea and shore phases of the exercise. During the exercise, Sailors and Marines will conduct a broad range of naval competencies ranging from explosive ordnance disposal, underwater diving sessions and civil engineering to search and rescue and humanitarian assistance and disaster response.