The US Army's sweeping transformation for future wars has lost some of its biggest champions

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Published: 2026-09-02T01:56:40.768Z • Permanent link

Mark Milley, the Chairman of the US Joint Chiefs of Staff, has been a long-time advocate for the US Army's transformation efforts, known as "Tactics, Techniques, and Procedures" (TTPs) modernization. However, in a shocking move, Milley announced his resignation on August 31st, leaving the Army without its most prominent champion for modernization. His departure has sent shockwaves throughout the US military establishment and has cast doubt on the future of the Army's ambitious modernization plans.

The Army's modernization efforts have been a top priority for the US military in recent years, with a focus on developing new technologies and strategies to counter emerging threats. The program, which has been ongoing since 2017, aims to modernize the Army's tactics, techniques, and procedures to better address the challenges posed by non-state actors, cyber threats, and other asymmetric threats. However, the program has faced numerous setbacks and delays, including a recent Congressional hearing in which lawmakers expressed concerns about the program's progress.

Dr. John R. Allen, a prominent expert on military modernization and former commander of US Central Command, has been a vocal supporter of the Army's modernization efforts. Allen, who has served as a senior advisor to the Army's modernization efforts, has been a key figure in shaping the program's strategy and has worked closely with Milley and other senior officials to develop the program's plans. His departure has left a significant void in the Army's leadership, and it remains to be seen how the program will proceed without its most prominent champion.

The resignation of Mark Milley and Dr. John R. Allen has significant implications for the US Army's modernization efforts, as well as for the broader defense industry. Companies that have been working on modernization efforts, such as Lockheed Martin, Boeing, and Northrop Grumman, will be closely watching the program's progress, as they have significant investments in the effort. Research communities and think tanks, such as the Center for Strategic and International Studies and the Brookings Institution, will also be paying close attention to the program's progress, as they have been analyzing the implications of the program for US national security policy.

The US Army's modernization efforts have also had significant implications for the broader defense industry, as the program has driven innovation and investment in new technologies and capabilities. Companies that have been working on modernization efforts, such as Raytheon Technologies and General Dynamics, have seen significant gains in stock price and revenue as a result of the program's progress. Furthermore, the program has also had significant implications for US national security policy, as it has driven a shift towards a more modern and adaptable military force.

The resignation of Mark Milley and Dr. John R. Allen is part of a larger pattern of uncertainty and instability in the US military establishment. In recent years, the US military has faced significant challenges, including a prolonged conflict in Afghanistan, a rise in tensions with China, and a growing threat from cyber actors. These challenges have driven a shift towards a more modern and adaptable military force, with a focus on developing new technologies and strategies to counter emerging threats.