The Joint Chiefs of Staff (JCS) is the body of the most senior uniformed leaders within the United States Department of Defense, which advises the president of the United States, the secretary of defense, the Homeland Security Council and the National Security Council on military matters. The composition of the Joint Chiefs of Staff is defined by statute and consists of a chairman (CJCS), a vice chairman (VJCS), the chiefs of the Army, Marine Corps, Navy, Air Force, Space Force, and the chief of the National Guard Bureau. Each of the individual service chiefs, outside their JCS obligations, works directly under the secretaries of their respective military departments, e.g. the secretary of the Army, the secretary of the Navy, and the secretary of the Air Force.
Second lieutenant is a junior commissioned officer military rank in many armed forces. The lowest officer rank, it is usually placed below lieutenant or first lieutenant.
The Royal Military College, Duntroon, also known simply as Duntroon, is the Australian Army's officer training establishment. It was founded at Duntroon, in Canberra, Australian Capital Territory, in 1911 and is at the foot of Mount Pleasant near Lake Burley Griffin, close to the Department of Defence headquarters at Russell Hill. Duntroon is adjacent to the Australian Defence Force Academy (ADFA), which is Australian Defence Force's tri-service military academy that provides military and tertiary academic education for junior officers of the Australian Army, Royal Australian Air Force and the Royal Australian Navy.
The Officer Cadet School, Portsea was an officer training establishment of the Australian Army. Established at Portsea in Victoria, Australia, in 1951 to provide training to officer cadets prior to commissioning, for many years OCS provided the Australian Regular Army with the bulk of its junior officers. However, following a review of military training establishments in Australia in the mid-1980s, the school was eventually closed in 1985, as the Royal Military College, Duntroon, assumed sole responsibility for training Army officers.
The Director of the National Security Agency (DIRNSA) is the highest-ranking official of the National Security Agency, which is a defense agency within the U.S. Department of Defense. The director of the NSA also concurrently serves as the chief of the Central Security Service (CHCSS) and as the commander of U.S. Cyber Command (USCYBERCOM). As the director of the NSA and the chief of the CSC, the officeholder reports to the under secretary of defense for intelligence, and as the commander of U.S. Cyber Command, the officeholder reports directly to the secretary of defense.
Lieutenant General Ronald Lee Burgess Jr., United States Army is a retired United States Army lieutenant general. His last military assignment was as the 17th director of the Defense Intelligence Agency and commander of the Joint Functional Component Command for Intelligence, Surveillance and Reconnaissance (JFCC-ISR). Prior to that, he was Director of the Intelligence Staff in the Office of the Director of National Intelligence.
The Australian Defence Force Academy (ADFA) is a tri-service military Academy that provides military and academic education for junior officers of the Australian Defence Force in the Royal Australian Navy (RAN), Australian Army and Royal Australian Air Force (RAAF). In 2016 the Academy began accepting civilian students in its undergraduate courses.
Lieutenant General Peter Francis Leahy, is a retired senior officer of the Australian Army, whose military career culminated with his appointment as Chief of the Army from 2002 until 2008. He has been director of the National Security Institute, University of Canberra, since October 2008.
Major General Duncan Edward Lewis is an Australian military officer, diplomat and intelligence chief. From 2014 to 2019, he was the Director-General of Security of the Australian Security Intelligence Organisation (ASIO). Prior to that appointment, he held the post of Australian Ambassador to the Kingdom of Belgium, the Grand Duchy of Luxembourg, the European Union and the North Atlantic Treaty Organization. He is a retired Australian Army officer, and formerly Special Operations Commander Australia (2002–2004), National Security Adviser, and Secretary of the Department of Defence.
The Australian Defence Organisation (ADO) is composed of the armed forces of the Commonwealth of Australia, the Australian Defence Force (ADF), and the Australian Public Service government department, the Department of Defence which is composed of a range of civilian support organisations.
The Defence Intelligence Agency (DIA) is an intelligence agency responsible for providing and coordinating defence and military intelligence to the Indian Armed Forces.
Lieutenant General Kamal Davar is a retired Indian military officer and security expert who served as the first Director General of the Defense Intelligence Agency and deputy chief of the Integrated Defense Staff.
Lieutenant General Henry John Coates, was a senior officer in the Australian Army who served as Chief of the General Staff from 1990 to 1992. After retiring from the army, he became an author and a visiting fellow at the Australian Defence Force Academy branch of the University of New South Wales, pursuing aspects of Australia's military history.
Michael S. Rogers is a retired four-star admiral of the United States Navy. Rogers served as the second commander of the United States Cyber Command (USCYBERCOM) from April 2014 to May 2018 while concurrently serving as the 17th director of the National Security Agency (NSA) and as chief of the Central Security Service (CSS). During his tenure, he helped transform and elevate U.S. Cyber Command into a unified combatant command. Rogers relinquished command to General Paul M. Nakasone on May 4, 2018 and retired from the Navy a few weeks later on June 1, 2018.
Paul Miki Nakasone is a retired general in the United States Army who served as the commander of United States Cyber Command. He concurrently served 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.
The Department of Home Affairs is the Australian Government interior ministry with responsibilities for national security, law enforcement, emergency management, border control, immigration, refugees, citizenship, transport security and multicultural affairs. The portfolio also includes federal agencies such as the Australian Border Force and the Australian Security Intelligence Organisation. The Home Affairs portfolio reports to the Minister for Home Affairs, currently held by Clare O'Neil, and was led by the Secretary of the Department of Home Affairs, Mike Pezzullo, until his sacking in November 2023 for breaching the code of conduct. In 2022, the Australian Federal Police, Australian Criminal Intelligence Commission and Australian Transaction and Analysis Center were de-merged from the department and moved to the Attorney General portfolio.
The Chief of Joint Capabilities (CJC) is the head of the Joint Capabilities Group (JCG) in the Australian Department of Defence. The Joint Capabilities Group was raised on 1 July 2017 with the position created as a result, with the inaugural CJC being Air Marshal Warren McDonald. The current chief is Lieutenant General John Frewen, who was appointed to the position in September 2021.
Lieutenant General Natasha Anne Fox, is a senior officer in the Australian Army. She joined the army via the Australian Defence Force Academy (ADFA) in 1988 and has spent much of her career in logistics and training roles. She served as Commanding Officer/Chief Instructor at ADFA from 2009 to 2010, and deployed on operations to Israel, Syria and Lebanon and to Afghanistan. She was Head People Capability from November 2018 to December 2021, Deputy Chief of Army from February 2022 to June 2023, and was appointed the inaugural Chief of Personnel on 5 June 2023. She was both the first woman to serve as a deputy service chief and the first woman to be promoted to three-star rank in the Australian Defence Force.
Air Marshal Darren James Goldie, is a senior officer in the Royal Australian Air Force. He joined the RAAF through the Australian Defence Force Academy in 1993 and gained his pilot's wings in 1997. He has deployed on operations to East Timor, Iraq and Afghanistan, and has commanded No. 37 Squadron RAAF (2012–15) and No. 92 Wing RAAF (2017–18). He was Air Commander Australia from April 2022 to June 2023, and served as the inaugural National Cyber Security Coordinator from July to November 2023.
