Final answer:
Chapter 4 of the Army Command Policy covers Fraternization and is titled 'Army Command.'
Step-by-step explanation:
The chapter in the Army Command Policy that covers Fraternization is Chapter 4, which is titled 'Army Command.' Fraternization is specifically addressed in Section III, 'Conduct Prohibited by Custom and Tradition.'
This section explains the rules and regulations regarding relationships between military personnel of different ranks.