Marines with 1st Battalion, 2nd Marine Regiment, 2nd Marine Division prepare to launch an attack during the Eager Lion 16 final exercise in Al Quweyrah, Jordan, May 24, 2016. Eager Lion is a recurring exercise between partner nations designed to strengthen military-to-military relationships, increase interoperability, and enhance regional security and stability. - Marines with 1st Battalion, 2nd Marine Regiment, 2nd Marine Division prepare to launch an attack during the Eager Lion 16 final exercise in Al Quweyrah, Jordan, May 24, 2016. Eager Lion is a recurring exercise between partner nations designed to strengthen military-to-military relationships, increase interoperability, and enhance regional security and stability.