Operational and combat training has included the following activities:* aviation units have performed more than 6,000 tasks in combat scenarios (including more than 1,500 air battles and interceptions, 629 firing at land-based targets, 530 bombings, 21 launches of air missiles, 454 tasks in aerial surveillance, 454 airborne landings, 740 airlifts, 575 flight shifts for a total of 10,553 flying hours);* five tactical flying missions in a squadron, 14 in a pair and 5 in a flight organization have been carried out to perform the assigned combat tasks, and 54 pilots have been trained to perform specific tasks in difficult meteorological conditions;* the number of flight crews being trained to defend the air space of the country and counter-terrorism air operations has almost doubled from 46 in 2005 to 90 in 2006; the units of anti-aircraft artillery and radar troops carried out 50 maneuvers involving redeployment, with each operator tracking 70 and 140 real and simulated targets, respectively.