Final answer:
The United States Army Futures Command (AFC) is the primary capability developer or the architect for the Army, responsible for modernizing and integrating future technology to ensure preparedness for future combat challenges.
Step-by-step explanation:
The question 'Who is the primary capability developer or the architect for the Army?' pertains to the structure and organization of the United States Army. Within the Army, the entity responsible for developing capabilities and acting as the primary architect for the Army's future force is the United States Army Futures Command (AFC). The AFC is tasked with modernizing the Army and integrating future technology, ensuring that the Army is prepared to face the variable challenges of tomorrow's combat environments.
The Army Futures Command leads in the development of new military concepts, the integration of innovation throughout the military, and oversees the transformation of the Army through modernization projects. As such, it is a key component of national defense and military planning, with a focus on utilizing research, development, and collaboration with industry and academia.