What is the biggest problem facing the us military?

One of the biggest problems facing the U.S. military is the challenge of modernizing its capabilities to counter evolving threats, particularly from near-peer competitors like China and Russia. This includes addressing issues related to cybersecurity, advanced technologies such as Artificial Intelligence and autonomous systems, and maintaining readiness amid budget constraints. Additionally, recruitment and retention of personnel pose significant challenges, as the military must attract a diverse and skilled workforce in a competitive job market.