VILNIUS- The Tobruq Legacy 2017 air defense exercise gets underway in the district of Siauliai, in northern Lithuania, on Tuesday.
The drills involve around 500 troops and some 30 air defense systems from Lithuania and another four NATO member states.
The US has deployed Patriot long-range anti-aircraft missiles in Lithuania to take part in the war games.
The US-organized Tobruq Legacy 2017 drills will also take place in the Czech Republic and Romania. The Lithuanian Air Force participates in the annual exercise for the third time.