The United States Department of the Army (DA) is one of the three military departments within the Department of Defense of the U.S. The Department of the Army is the federal government agency within which the United States Army (U.S.) is organized, and it is led by the secretary of the Army, who has statutory authority under 10 United States Code § 3013 to conduct its affairs and to prescribe regulations for its government, subject to the limits of the law, and the directions of the secretary of defense and the president.
In the United States Army, Marine Corps, Air Force, & Space Force major is a field-grade military officer rank above the rank of captain and below the rank of lieutenant colonel. It is equivalent to the naval rank of lieutenant commander in the other uniformed services. Although lieutenant commanders are considered junior officers by their respective services, the rank of major is that of a senior officer in the United States Army, the United States Marine Corps, and the United States Air Force.
Second Army was most recently located at Fort Belvoir, Virginia as a Direct Reporting Unit to Headquarters U.S. Army, Chief Information Officer (CIO)/G-6. Under the CIO/G-6, Second Army served as the single point of contact for Army missions and functions related to reporting on, assessing, planning, coordinating, integrating, synchronizing, directing and conducting Army network operations. This mission ended after a 2017 reorganization, when the Second Army was inactivated.
The U.S. Army Combined Arms Center (USACAC) is located at Fort Leavenworth and provides leadership and supervision for leader development and professional military and civilian education; institutional and collective training; functional training; training support; battle command; doctrine; lessons learned and specified areas the Commanding General, United States Army Training and Doctrine Command (TRADOC) designates in order to serve as a catalyst for change and to support developing relevant and ready expeditionary land formations with campaign qualities in support of the joint force commander.
The United States Army Intelligence and Security Command (INSCOM) is a direct reporting unit that conducts intelligence, security, and information operations for United States Army commanders, partners in the Intelligence Community, and national decision-makers. INSCOM is headquartered at Fort Belvoir, Virginia.
United States Cyber Command (USCYBERCOM) is one of the eleven unified combatant commands of the United States Department of Defense (DoD). It unifies the direction of cyberspace operations, strengthens DoD cyberspace capabilities, and integrates and bolsters DoD's cyber expertise.
The structure of the United States Army is complex, and can be interpreted in several different ways: active/reserve, operational/administrative, and branches/functional areas.
William Burke Garrett III is a retired lieutenant general in the United States Army who last served as the deputy commander of United States European Command. Prior to that, he served as the deputy commanding general of United States Army Forces Command.
United States Army Network Enterprise Technology Command (NETCOM) is a US Military unit subordinate to United States Army Cyber Command. NETCOM's mission is to operate and defend the computer networks of the United States Army. The numerical command for NETCOM was 9th Army Signal Command, though this distinction was removed on 1 October 2011. Its heritage can be traced back to the creation of the 9th Service Company in 1918. The command headquarters is at Fort Huachuca, Arizona. Major General Christopher L. Eubank assumed command in April 2022.
Lieutenant General Rhett Anthony Hernandez is a retired officer in the United States Army and the former commander of the United States Army Cyber Command, the Army's service component to United States Cyber Command. Hernandez assumed the position upon its activation on October 10, 2010, with its headquarters at Fort Belvoir, Virginia.
Lieutenant General Sean Barry MacFarland is a retired three-star general who served in the United States Army.
Mary A. Legere is a retired lieutenant general and the former Deputy Chief of Staff for Intelligence (G-2) of the United States Army.
Stephen Lanza is a retired United States Army lieutenant general who served as commanding general, I Corps at Joint Base Lewis–McChord from February 6, 2014 to April 3, 2017, when he transferred authority to Lieutenant General Gary J. Volesky. He retired from active service on June 2, 2017.
Paul Miki Nakasone is a four-star general in the United States Army who serves as the Commander of United States Cyber Command. He serves concurrently as the Director of the National Security Agency and as Chief of the Central Security Service. Nakasone took command of the United States Second Army and Army Cyber Command in October 2016, until the Second Army's inactivation in March 2017. In May 2018, he became head of the National Security Agency, the Central Security Service and the United States Cyber Command.
William Charles Mayville Jr. is a retired United States Army lieutenant general who served as Deputy Commander, United States Cyber Command. After his military retirement, Mayville joined Korn Ferry consulting firm.
John Blaine Morrison Jr. is a United States Army lieutenant general currently serving as the deputy chief of staff for cyber (G-6) of the United States Army. Previously, he was the chief of staff of the United States Cyber Command.
James E. Rainey is a United States Army lieutenant general who serves as Deputy Chief of Staff for Operations, Plans, and Training (G-3/5/7). Before that, he served as commanding general of the United States Army Combined Arms Center, commandant of the United States Army Command and General Staff College and commanding general of Fort Leavenworth. Prior to that, he commanded the Combined Security Transition Command – Afghanistan.
This is a list of all commanders, deputy commanders, senior enlisted leaders, and chiefs of staff of the United States Cyber Command.
Joel K. Tyler is a United States Army major general who serves as Chief of Staff of the United States Africa Command. He previously served as the Director of Operations and Cyber of the United States Africa Command, Commanding General of the United States Army Test and Evaluation Command, and prior to that as the Commander of the United States Army Joint Modernization Command. In March 2021, he was assigned to replace Major General William Gayler as the Chief of Staff of the United States Africa Command.
Maria Lodi Barrett is a United States Army Lieutenant general who serves as the commanding general of the United States Army Cyber Command since May 3, 2022. She most recently served as commanding general of the Network Enterprise Technology Command in Fort Huachuca, Arizona. She is the elder sister of Brigadier General Paula Lodi. Barrett and Lodi are the United States Army's first ever sister general officer tandem.
