Which doctrinal manual is concerned with operations using current Army capabilities, formations, and technologies in today's complex operational environment?

FM 3-0, titled "Operations," is specifically designed to address how the Army conducts operations in today’s complex operational environment, utilizing current capabilities, formations, and technologies. It provides the overarching framework for understanding how the Army maneuvers and integrates its various functions to achieve mission success in diverse scenarios, including hybrid warfare, irregular operations, and integrated deterrence.

The manual emphasizes modern operational concepts, reflecting the need for adaptation to contemporary challenges across the full spectrum of conflict. It is foundational for leaders to comprehend the intricacies of how to effectively apply these doctrines in joint and combined operations across different domains. This relevance to current practice clearly distinguishes FM 3-0 from the other options, which focus on different aspects of Army operations, such as personnel management, command and control, or training.