Based on a retrospective analysis of emergence and development of the international humanitarian movement of civil protection of population and territories from large-scale emergency situations, the necessity of development of modern scientific approaches to the problem of psychological provision, formation and operation of consolidated rescue units of international humanitarian missions has been substantiated. The expediency of this kind of activity is due to significant differences in the state structure, traditions and geopolitical vectors of the state in need of immediate help and in the specifics of the life of such formations, which consists in the peculiarities of their way of formation, the process of reconciliation, the uncertainty of the crossover and ethnic environment where located, the ambiguity and unpredictability of the influence of negative psycho-traumatic factors on the mental and physical health of specialists.
