Since the outbreak of Covid-19, our national chemical troop has been disinfecting in various areas to reduce the risk of virus infection. They will set off in the early morning and will not return to the camp to rest until midnight. They are our guardians of peace and the nightmare of virus. It’s hard to imagine that they wear protective gears and gas masks from morning to night, rest less than 4 hours a day on duty. After taking off their protective clothings, those deep imprints on their face are not only pride but the symbols of responsibility and honor.