 Complete the following phrase:  In the spring of 1942 , she received a summons and was called up for the war. She studied military skills in Kalmykia, where she took an oath in early May. During her studies, she improved her shooting skills, studied the types of aircraft using classified albums. In the summer of 1942, as part of the 44th separate battalion, Air Surveillance troops was transferred to the Rostov region, where observation posts were deployed to 