SAID KHATIB/AFP via Getty Images
SERGEI SUPINSKY/AFP via Getty Images
ALEXANDER KAZAKOV/POOL/AFP via Getty Images
REUTERS/Maxim Shemetov
Valentyna Polishchuk/TRK LUX/Global Images Ukraine via Getty Images
Naval Postgraduate School/BAE Systems
Yevhenii Zavhorodnii/Global Images Ukraine via Getty Images
US Air Force/Staff Sgt. Cherie A. Thurlby
MANJUNATH KIRAN/AFP via Getty Images
Viktor Fridshon/Global Images Ukraine via Getty Images