Defense or defence may refer to:
A commander-in-chief or supreme commander is the person who exercises supreme command and control over an armed force or a military branch. As a technical term, it refers to military competencies that reside in a country's executive leadership, a head of state, head of government, or other designated government official.
Deep operation, also known as Soviet Deep Battle, was a military theory developed by the Soviet Union for its armed forces during the 1920s and 1930s. It was a tenet that emphasized destroying, suppressing or disorganizing enemy forces not only at the line of contact but also throughout the depth of the battlefield.
The Ministry of Defense of the government of Israel, is the governmental department responsible for defending the State of Israel from internal and external military threats. Its political head is the Defense Minister of Israel, and its offices are located in HaKirya, Tel Aviv.
The Artsakh Defence Army is the defence force of the breakaway Republic of Artsakh (Nagorno-Karabakh). Established in 1992, it united previously disorganized self-defence units which were formed in the early 1990s with the goal of protecting the ethnic Armenian population of Artsakh from attacks by Soviet and Azerbaijani armed forces.
Defense in depth is a concept used in information security in which multiple layers of security controls (defense) are placed throughout an information technology (IT) system. Its intent is to provide redundancy in the event a security control fails or a vulnerability is exploited that can cover aspects of personnel, procedural, technical and physical security for the duration of the system's life cycle.
The Aviation and Air Defence Command of the Defence Forces, is the air force of the Defense Forces of Georgia. It was established as part of the Georgian Armed Forces in 1992 and merged into Army Air Section in 2010. As part of reforms in the Georgian military, the Air Force was reestablished as a separate command of the Defense Forces in 2016.
There existed an evolved system of military education in the Soviet Union that covered a wide range of ages. The Soviet Armed Forces had many tri-service educational opportunities as well as educational institutions for the Ground Forces, the Air Forces, and the Navy. The Soviet Border Troops, the KGB and the Internal Troops also maintained service academies.
Defence-in-depth is the term used by American political analyst Edward Luttwak to describe his theory of the defensive strategy employed by the Late Roman army in the third and fourth centuries AD.
Strategic defence is a type of military planning doctrine and a set defense and/or combat activities used for the purpose of deterring, resisting and repelling a strategic offensive, conducted as either a territorial or airspace, invasion or attack; or as part of a cyberspace attack in cyberwarfare; or a naval offensive to interrupt shipping lane traffic as a form of economic warfare.
Territorial Defense or Territorial Defense Forces may refer to:
Defence in depth is a military strategy that seeks to delay rather than prevent the advance of an attacker, buying time and causing additional casualties by yielding space. Rather than defeating an attacker with a single, strong defensive line, defence in depth relies on the tendency of an attack to lose momentum over time or as it covers a larger area. A defender can thus yield lightly defended territory in an effort to stress an attacker's logistics or spread out a numerically superior attacking force. Once an attacker has lost momentum or is forced to spread out to pacify a large area, defensive counter-attacks can be mounted on the attacker's weak points, with the goal being to cause attrition or drive the attacker back to its original starting position.
Major general is a military rank used in many countries. It is derived from the older rank of sergeant major general. The disappearance of the "sergeant" in the title explains the apparent confusion of a lieutenant general outranking a major general, whereas a major outranks a lieutenant.
U.S. non-military nuclear material is regulated by the U.S. Nuclear Regulatory Commission, which uses the concept of defense in depth when protecting the health and safety of the public from the hazards associated with nuclear materials. The NRC defines defense in depth as creating multiple independent and redundant layers of protection and response to failures, accidents, or fires in power plants. For example, defense in depth means that if one fire suppression system fails, there will be another to back it up. The idea is that no single layer, no matter how robust, is exclusively relied upon; access controls, physical barriers, redundant and diverse key safety functions, and emergency response measures are used. Defense in depth is designed to compensate for potential human and mechanical failures, which are assumed to be unavoidable.
A defence in depth uses multi-layered protections, similar to redundant protections, to create a reliable system despite any one layer's unreliability.
The Missile Troops and Artillery, are a Combat Arm of the Russian Ground Forces, They are the primary means of providing fire on the enemy during combined-arms operations. They are designed to perform the following main tasks:
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