IDEF 2017: STM Unveils its TF4500 Anti-Air Warfare Frigate Wednesday, 10 May 2017 Army, Defence, Military, News, World At IDEF 2017, the international defense exhibition currently held in Istanbul, Turkey, STM unveiled today the TF4500 Anti-Air Warfare Frigate. href="http://ift.tt/2r0Ub8q" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"> Read more Tweet Subscribe to receive free email updates: