ISTANBUL Turkish defense firm Titra will showcase its latest rotary-wing unmanned aerial vehicles (UAVs) at Verticon, the world’s largest vertical aviation conference and trade show in the United States. Titra, a subsidiary of Pasifik Teknoloji, will take part in the event, which runs through March 13 in Dallas. The convention is expected to host more than 15,000 industry professionals and over 600 participating companies. Titra will present a model of Dumrul and a fair model of Alpin at the