Abstract
The field of campaign services is currently the most complex area of logistical support, as it covers a wide range of services, requires cooperation between military bodies and various institutions, entities involved in providing them and requests promptness from planning and logistical management bodies in immediately solving the various problems that may arise. As part of the campaign services, feeding the personnel and providing water, as subsistence services. in the quantity and quality standards provided by the instructions, directly influences the health of the military and contributes to maintaining a high morale of the military. In order to give a more accurate overview of the influence of this functional field on the actions of the mechanized brigade in the operation, we will detail for each subsistence services some theoretical and practical aspects that we consider important.