Polish Special Operation Forces conduct fast rope training from a Lithuanian Mi-8 helicopter in Klaipeda, Lithuania. The training was part of the Jackal Stone 10 exercise, a multi-nation partnership building exercise designed to build Special Operations Forces capacity, interoperability, and the capabilities of current and future partner nations. Jackal Stone 10, hosted by Poland and Lithuania this year, is an annual international special operations forces exercise held in Europe. Its objective is to enhance capabilities and interoperability amongst the participating special operations forces and as well as build mutual respect while sharing doctrinal concepts. The exercise, which is coordinated with U.S. Special Operations Command Europe, includes Poland, Lithuania, Latvia, Croatia, Romania, and Ukraine participating in the exercise. Photo by Pvt. Christopher Calvert