Sophomore year. According to the Shanghai Jiao Tong University military training announcement, Shanghai Jiao Tong University military training is a military training arranged by the school during the summer vacation for freshmen to sophomore students. The military training lasts from 15 to 20 days. Shanghai Jiao Tong University, referred to as "Shanghai Jiao Tong University" and "Shanghai Jiao Tong University", is located in Shanghai. It is a national key university directly under the Ministry of Education, established by Shanghai Municipal Government and directly managed by the central government.