Soldiers from U.S., Ukraine, Canada, Poland and Lithuania stand for the National Anthems during an opening ceremony for the fifth training rotation here, Oct. 8. The ceremony officially marks the start of Ukraine's 1st Battalion, 80th Airmobile Brigade's 55-day training rotation as part of the Joint Multinational Training Group-Ukraine. The mission of JMTG-U is to reinforce defensive skills of the Ukrainian Ground Forces in order to increase their capacity for self-defense. (Photo by Army Staff Sgt. Elizabeth Tarr)

A mortarman with the U.S. Army's 2nd Battalion, 503rd Infantry Regiment, 173rd Airborne Brigade makes adjustments to his 81-millimeter mortar system during Fearless Guardian April 25, 2015 in Yavoriv, Ukraine. The 173rd Airborne Brigade will train several battalions of Ukraine's newly-established National Guard over a six-month period at the request of the Ukrainian government. (U.S. Army photo by Sgt. Alexander Skripnichuk, 13th Public Affairs Detachment)

Lt. Col. Kyle Reed (foreground left), commander of 1st Squadron, 91st Cavalry Regiment, 173rd Airborne Brigade, presents an award to a soldier from the Ukrainian national guard's 3029th Regiment during a Fearless Guardian graduation ceremony June 13, 2015, in Yavoriv, Ukraine. Paratroopers from the 173rd Abn. Bde. are in Ukraine for the first of several planned rotations to train Ukraine's newly-formed national guard as part of Fearless Guardian, which is scheduled to last six months. (U.S. Army photo by Sgt. Alexander Skripnichuk, 13th Public Affairs Detachment)

Soldiers of the 1st Brigade Combat Team, 1st Cavalry Division, and 2nd Cavalry Regiment participate in the closing ceremony for Iron Sword 2014 in Pabrade, Lithuania, Nov. 13. More than 2,500 troops from nine NATO countries, including U.S. Army Soldiers of the 1st Brigade Combat Team, 1st Cavalry Division and 2nd Cavalry Regiment, participated in the two-week multinational exercise, aimed at enhancing interoperability and demonstrating U.S. commitment to its NATO allies. (U.S. Army photo by Sgt. David Turner)

The Strategic Airlift Capability Heavy Airlift Wing has been executing several airlift missions with its Boeing C-17 Globemaster III long range cargo jets to support the expanded land force training activities of the SAC nations’ armed forces in Poland, Lithuania, Latvia and Estonia.