Portugese Fuzileiros (Marines) prepare to board a U.S. Marine Corps MV-22 Osprey aircraft, launched from the Spanish ship Juan Carlos, at a Fuzileiros training base outside of Lisbon, Portugal, Nov. 3, 2015.
This multinational training evolution is just one of many conducted as part NATO Exercise Trident Juncture 2015 (TJ15.) TJ15 is the largest NATO training exercise since 2002 and includes more than 30 nations and 36,000 service members. (U.S. Army photo by Visual Information Specialist Jason Johnston/Released). Original public domain image from Flickr