On February 26th, 65438, a pre-job training course for recruits of Daxinganling Frontier Detachment of Heilongjiang Frontier Defense Corps was held in Linhai Xueyuan, Mohe Arctic, to conduct training in subjects such as field survival, hiking, snow camouflage and battlefield sign language, so as to further improve the ability of frontier defense forces to quickly dispatch and handle emergencies in extremely cold conditions.