What has given commanders the ability to leverage many joint capabilities at the lowest levels?

The answer points to decentralized operational authority as the correct choice because this concept allows commanders at lower levels to make decisions based on their situational awareness and specific operational context. Decentralization empowers those on the ground to quickly adapt to changing conditions and leverage available joint capabilities without waiting for directives from higher command. This agility is crucial in modern military operations, where speed and responsiveness can significantly affect the outcome of engagements.

While technological advancements do provide tools and systems that enhance operations, it is the decision-making structure that truly enables commanders to utilize these capabilities effectively. Increased communication protocols are certainly important in facilitating coordination, but without the authority to act, communication alone does not lead to effective use of joint capabilities. Enhanced training programs help prepare personnel for their roles, but the essence of leveraging capabilities lies in the autonomy given to leaders at the operational level to make timely and informed decisions. Such decentralization ultimately leads to a more responsive and effective command structure in joint operations.