The book is the first Russian translation into Russian of the anonymous Byzantine military treatise "On Strategy", dating from the final period of Justinian's reign. The translation is based on the critical edition of J. Dennis, published in Washington in 1985. The translation text is preceded by an extensive introductory text an article that examines the main problems of the treatise. The main attention in the comments is paid to the analysis of military-scientific and military-historical realities. The conducted research makes it possible to determine the place of the treatise “On Strategy” in the general tradition of polemological manuals similar in topic, to determine the main sources of its information, to establish the degree of its influence on the development of military-scientific thought subsequent eras. The publication is designed both for specialist historians and for a wide range of readers interested in military-historical issues. The publication was prepared by V.V. Kuchma. Contents: INTRODUCTION, TRANSLATION AND COMMENTARY about strategy I. What is a polity and what are its classes II. On the purpose of the various classes of the polityIII. About the Archons IV. OstrateikeV (untitled)VI. About protectionVII. What guard posts should be like and in what places should they be located VIII. About signal lights and how they should be used IX. About the FreurionsX. About the construction of the cityXI. Where to build a city XII. How to build a cityXIII. How to prepare to fight siege enginesXIV. About tacticsXV. About the phalanxXVI. About weaponsXVH. About the cavalry phalanx and how it should be builtXVIII. On the number of ways of moving the phalanxXIX. About crossing riversXX. How to protect yourself from unexpected attacks by enemiesXXI. On changing the front of the phalanxXXII. About the individual turnXXIII. About the general turn XXIV. About the reversalXXV. On changing the shape of the phalanxXXVI. About mensorsXXVII. About the camp locationXXVlIl. In which place of the camp is it better to place infantry, and in which cavalry XXIX. About the camp rampart and camp security XXX. About officials under the strateg XXXI. On battle management and the basic forms of combat formations XXXII (untitled) XXXIII. When to engage in battle and when not to XXXIV. How to build phalanxes in preparation for battleXXXX. How to line up troops if enemies attack us from one side XXXVI. How should an infantry phalanx fight against cavalry XXXVII. How should we fight against the large forces of Bparov in XXXVIII. How can we protect the bulk of our troops after they have fled and repel the EnemiesXXXIX. About the night battleXL. About AmbushesXLI. About defectorsXLII. About catascopesXLIII. About ambassadorsXLIV. About archeryXLV. How to practice marksmanship XLVI. How to learn to shoot strongly XLVII. How to learn to shoot quickly INDEX OF PERSONAL NAMES, GEOGRAPHICAL AND ETHNOGRAPHIC TERMS SUBJECT AND TERMINOLOGICAL INDEX BIBLIOGRAPHY