An exhibitor demonstrates the latest "Flight Deck Officer Simulator" by German company ThyssenKrupp Marine Systems at the International Maritime Defence Exhibition (IMDEX) Asia 2015 held in Singapore's Changi Exhibition Center, May 19, 2015. IMDEX Asia 2015 is held from May 19 to 21 with 20 warships from 12 countries and participation of more than 180 exhibiting companies from 28 countries and regions showcasing innovations featured key trends and developments in the industry. [Photo/Xinhua]