Service members assigned to Commander, Task Group 56.1 (CTG 56.1), Explosive Ordnance Disposal Mobile Unit (EODMU) 1, and the 45 Commando Royal Marines embarked aboard RFA Lyme Bay (L 3007), exchange close quarters battle techniques during U.K.-U.S. Mine Countermeasures Exercise 17-1. The bilateral exercise serves to enhance cooperation, mutual MCM capabilities and interoperability between the U.S. and UK Naval forces in ensuring free flow of commerce, freedom of navigation and long-term regional security. EODMU-1 is currently deployed in support of CTG 56.1. CTG-56.1 conducts mine countermeasures, explosive ordnance disposal, salvage diving, and force protection operations throughout the U.S. 5th Fleet area of operations. (U.S. Navy Combat Camera photo by Petty Officer 2nd Class Tyler Thompson)