Whether the major activities of the army can be written on your resume depends on the job you are applying for and the degree of correlation between these activities and the job. Generally speaking, writing down the major activities you participated in in the army on your resume can show some important abilities and qualities you have, such as leadership, teamwork, crisis management and so on. These abilities and qualities are very important in many jobs.

However, it should be noted that when writing a resume, it should be selected and screened according to the requirements of the job. Choosing the major activities of the army involved in job hunting can better highlight your ability and experience in this position. In addition, we should also pay attention to the simplification of the overall structure and content of the resume, avoid lengthy and jumbled resumes, and pay attention to the experience and performance related to the position.

In short, the major activities that the army has participated in can be written on your resume, but you need to choose and present them according to the specific situation and the requirements of the position you are applying for to highlight your ability and experience related to the position.