English: Marines from Denmark, Lithuania, Poland, and United States disembark from an PTS-2 amphibious landing craft during an exercise at Ustka, Poland as part of Baltops 2003. The United States and 11 other nations are participating in this year's exercise. BALTOPS 2003 is intended to improve interoperability between allies and Partnership for Peace countries by conducting a peace support operation at sea including exercises in gunnery, replenishment-at-sea, undersea warfare, radar tracking, mine countermeasures, seamanship, search and rescue, maritime interdiction operations, and scenarios dealing with potentially real world crises.