UGC NET Defence & Strategic Studies key terms

A strategy aimed at preventing an adversary from taking an action by threatening unacceptable costs in response, often through the credible promise of retaliation. It relies on capability, communication, and credibility.

A nuclear doctrine stating that a country will maintain only the minimum number of nuclear weapons necessary to deter a first strike, while ensuring the arsenal is survivable and capable of retaliation.

A declared policy in which a nuclear-armed state commits not to be the first to use nuclear weapons in a conflict, reserving the right to retaliate only after a nuclear attack.

The ability of a nuclear force to survive a first strike and retaliate effectively, typically ensured through hardened silos, mobile launchers, or submarine-launched missiles.

A condition in which two nuclear-armed adversaries each possess enough survivable weapons to destroy the other even after absorbing a first strike, making nuclear war suicidal for both.

A nuclear arsenal delivered by three distinct platforms: land-based intercontinental ballistic missiles, submarine-launched ballistic missiles, and strategic bombers, enhancing survivability and flexibility.

A limited-war concept attributed to India that envisions rapid, shallow armoured thrusts into Pakistan by integrated battle groups to punish provocations without triggering a full-scale nuclear response.

A Pakistani nuclear posture that rejects a fixed threshold and threatens nuclear response across the entire spectrum of conflict, including limited conventional attacks, to deter Indian Cold Start operations.

Indian Army formations combining armour, infantry, artillery, engineers, and aviation under a single commander to enable faster mobilisation and joint operations at lower levels.

The process of assembling and readying military forces and resources for war, including calling up reserves, moving units, and transitioning industry and transport to support operations.

The planning and execution of movement and maintenance of military forces, covering supply, transport, evacuation, and services needed to sustain operations across distances and time.

The network of public and private firms, research institutions, and supply chains that design, produce, and sustain military equipment and services for a country's armed forces.

Contractual arrangements in arms purchases requiring the seller to reinvest a portion of the contract value in the buyer's economy, through local production, technology transfer, or subcontracting.

A government policy mandating that foreign defence suppliers fulfil specified economic or technological obligations in the buyer country as a condition of major arms contracts.

A period of profound change in military operations caused by new technologies, doctrines, and organisational adaptations that together transform the character of warfare.

An approach that links sensors, shooters, and command nodes through information networks to increase situational awareness and speed decision-making, enabling dispersed forces to act coherently.

The tools, platforms, weapons, and supporting systems used by armed forces, shaped by research, industrial capacity, and operational requirements, and often a driver of strategic advantage.

The integrated use of regular and irregular forces, information operations, cyberattacks, economic pressure, and proxy groups to achieve objectives below the threshold of open conventional war.

A strategic space between peace and war where actors use coercive measures such as cyber operations, disinformation, and paramilitary action while avoiding clear military confrontation.

Conflict between actors of unequal power where the weaker side uses unconventional tactics, terrain, or technology to offset the stronger side's advantages and impose disproportionate costs.

An organised, protracted struggle by a non-state group using subversion and armed action to overthrow or undermine an established government and gain political control.

The political, economic, and military measures taken to defeat an insurgency and address its root causes, often emphasising population security, governance, and legitimacy over purely kinetic operations.

A conflict in which external powers support local actors, such as militias or insurgent groups, to fight on their behalf, advancing interests without direct large-scale combat between the sponsors.

The use of information and communication technologies to influence, disrupt, or degrade an adversary's decision-making, including propaganda, deception, cyber operations, and attacks on networks.

The study of how geography, resources, and spatial relationships shape political power and strategic behaviour among states, including competition over territory, sea lanes, and energy.

The principal maritime routes used for trade and military logistics, whose security is vital for states dependent on seaborne commerce and energy imports.

A geopolitical concept describing a chain of Chinese-supported ports and infrastructure across the Indian Ocean, perceived by analysts as enhancing Chinese strategic presence and potentially threatening India's maritime interests.

A strategic construct linking the Indian and Pacific Oceans as a single theatre of geopolitical and security competition, emphasising freedom of navigation, connectivity, and balance against assertive powers.

A informal strategic grouping of Australia, India, Japan, and the United States that coordinates on maritime security, connectivity, and a rules-based order in the Indo-Pacific.

A condition in which competing states or alliances check each other's strength, preventing any single actor from dominating the international system and thereby preserving stability.

A security arrangement in which states agree that an attack on one member is treated as an attack on all, and they commit to joint action to restore peace and punish aggression.

The principal UN organ responsible for maintaining international peace and security, with five permanent members holding veto power and the authority to impose sanctions or authorise military action.

UN operations deploying military and civilian personnel with the consent of parties to monitor ceasefires, protect civilians, and support political processes, generally using force only in self-defence.

Military operations authorised to use force to restore international peace and security, often without full consent of the parties, in response to threats or breaches of the peace.

A 1968 treaty with three pillars: preventing the spread of nuclear weapons, promoting peaceful uses of nuclear energy, and pursuing disarmament, with safeguards verified by the IAEA.

A 1996 treaty banning all nuclear explosions, which has not entered into force because required states have not ratified it; it is supported by an international monitoring system.

Verification measures administered by the International Atomic Energy Agency to ensure that nuclear material and activities are not diverted from peaceful uses to weapons purposes.

A multinational body that seeks to prevent nuclear proliferation by controlling the export of materials, equipment, and technology that could be used for nuclear weapons.

An informal export-control arrangement among countries to limit the spread of unmanned delivery systems capable of carrying weapons of mass destruction, including missiles and drones.

The relationship between armed forces and civilian society and authorities, encompassing civilian control, military professionalism, and the balance between security needs and democratic accountability.

The norms, expertise, and ethics that define the military as a profession, including specialised knowledge, responsibility to civilian authority, and a code of conduct.

The study of resource allocation for defence, including budgeting, procurement, cost-effectiveness, and the economic impact of military spending on growth and industry.