An instructor guides a student from the General Yermolov Cadet School as she aims with a gun during a field exercise outside the south Russian city of Stavropol January 24, 2015. The General Yermolov Cadet School in Stavropol is a state-run institution that teaches military and patriotic classes in addition to a normal syllabus. (Photo by Eduard Korniyenko/Reuters)

Students from the General Yermolov Cadet School march during a field exercise outside the south Russian city of Stavropol January 25, 2015. (Photo by Eduard Korniyenko/Reuters)

Students from the General Yermolov Cadet School take part in a field exercise outside the south Russian city of Stavropol January 25, 2015. (Photo by Eduard Korniyenko/Reuters)

Students from the General Yermolov Cadet School march during a field exercise outside the south Russian city of Stavropol January 25, 2015. (Photo by Eduard Korniyenko/Reuters)

Student from the General Yermolov Cadet School march during a field exercise in the south Russian city of Stavropol January 25, 2015. (Photo by Eduard Korniyenko/Reuters)

Students from the General Yermolov Cadet School stack their educational weapons during a field exercise outside the south Russian city of Stavropol January 25, 2015. (Photo by Eduard Korniyenko/Reuters)

A student from the General Yermolov Cadet School poses for a picture holding an automatic rifle during a field exercise outside the south Russian city of Stavropol January 25, 2015. (Photo by Eduard Korniyenko/Reuters)

A student from the General Yermolov Cadet School sits near educational weapons during a field exercise outside the south Russian city of Stavropol January 25, 2015. (Photo by Eduard Korniyenko/Reuters)

Students from the General Yermolov Cadet School have their meals during a field exercise outside the south Russian city of Stavropol January 24, 2015. (Photo by Eduard Korniyenko/Reuters)

Students from the General Yermolov Cadet School aim an automatic rifle during a field exercise outside the south Russian city of Stavropol January 25, 2015. (Photo by Eduard Korniyenko/Reuters)

A student from the General Yermolov Cadet School wearing a mask looks on during a field exercise outside the south Russian city of Stavropol January 25, 2015. (Photo by Eduard Korniyenko/Reuters)

Students from the General Yermolov Cadet School aim using guns during a field exercise outside the south Russian city of Stavropol January 24, 2015. (Photo by Eduard Korniyenko/Reuters)