Air supremacy

Lore & Background

Air supremacy is the highest level of control of the air, with air superiority being the second level, defined as 'degree of dominance in an air battle that permits the conduct of operations by one side and its related land, sea and air forces at a given time and place without prohibitive interference by opposing air forces.' Lower levels include favorable air situation and air parity, where no side holds any level of control. Air power is a function of the degree of air superiority and numbers or types of aircraft, but represents a situation that defies black-and-white characterization. The degree of a force's air control is a zero-sum game with its opponent's; increasing control by one corresponds to decreasing control by the other.

Reader's Guide

Air supremacy is significant because it enables a wide range of military operations, including bombing, tactical air support, paratroop assaults, airdrops, and cargo plane transfers. However, achieving air supremacy does not guarantee a low loss rate of friendly aircraft, as hostile forces can adopt unconventional tactics or identify weaknesses. Historical examples include NATO forces holding air superiority over Kosovo yet losing a stealth strike aircraft to a Yugoslav ground-based air defense system considered 'obsolete.' During the Iraq War and the War in Afghanistan, insurgents found greater success attacking coalition aircraft on the ground than when they were operating above them. Methods to achieve air supremacy include destroying enemy aircraft in air-to-air combat, destroying enemy aircraft on the ground, and destroying infrastructure such as fuel supplies and runways. Special forces attacks on airfields have been used to level the playing field when faced by superior numbers or technology.

Did You Know?

• Air supremacy is defined by NATO and the United States Department of Defense as the 'degree of air superiority wherein the opposing air force is incapable of effective interference.'
• The degree of a force's air control is a zero-sum game with its opponent's; increasing control by one corresponds to decreasing control by the other.
• During the Iraq War and the War in Afghanistan, insurgents found a greater degree of success in attacking coalition aircraft on the ground than when they were operating above them in the skies.
• NATO forces which held air superiority over Kosovo still lost a stealth strike aircraft to a Yugoslav ground-based air defense system, despite it being considered 'obsolete.'

The Spectrum of Air Control

Air supremacy sits at the apex of a graded hierarchy that military theorists have long used to describe a belligerent's command of the skies. At the top, air supremacy means the opposing air force simply cannot mount effective interference. Just below that, air superiority grants a side enough dominance in air battle to let its land, sea, and air forces operate at a given time and place without prohibitive opposition. A favorable air situation is a weaker state where enemy air effort is insufficient to prejudice friendly operations, while air parity—sometimes called mutual air denial—describes a stalemate in which neither side can conduct regular aerial operations because of effective ground or sea-based defenses. Crucially, this spectrum functions as a zero-sum contest: every degree of control one force gains is a degree the other loses. For a weaker side that cannot contest for superiority or parity, the fallback is air denial—conceding operational-level superiority to the adversary while preventing it from reaching full supremacy.

Winning the Skies from the Ground

While shoot-downs in air-to-air combat are the most visible expression of air dominance, history shows that the most decisive method of seizing the skies has often been striking the enemy where it is most vulnerable: on the ground. Destroying parked aircraft, cratering runways with penetration bombs, sowing airfields with area-denial weapons, and eliminating fuel depots can paralyze an opponent's ability to project air power far more efficiently than any number of aerial duels. The Israeli Air Force demonstrated this principle in 1967 during Operation Focus, when an outnumbered force delivered a crippling blow to Egyptian, Jordanian, and Syrian airfields at the outset of the Six-Day War, securing Israeli air supremacy. Special operations units have long served this role: the British SAS, formed partly to raid German aircraft and airfields, is credited with destroying over 400 enemy planes in the Western Desert. The Japanese Teishin Shudan destroyed B-29s on Leyte in December 1944. Even during the Cold War, Soviet planners envisioned overrunning NATO airfields with tanks and Spetsnaz raids, a tactic echoing the Tatsinskaya Raid of the Battle of Stalingrad.

Supremacy Without Safety

Holding air supremacy does not immunize a force from loss. Hostile opponents routinely exploit unconventional tactics or identify vulnerabilities that even the most advanced air power cannot fully neutralize. A stark illustration came during the Kosovo campaign, when NATO forces—despite commanding clear air superiority—lost a stealth strike aircraft to a Yugoslav ground-based air-defense system that was widely regarded as obsolete. Asymmetric conflicts have repeatedly produced similar outcomes: relatively poorly equipped ground forces have managed aircraft kills against overwhelming aerial dominance. In both the Iraq War and the War in Afghanistan, insurgents found greater success attacking coalition aircraft parked on the ground than engaging them in flight. The September 2012 Camp Bastion raid in Afghanistan saw fifteen fedayeen destroy or severely damage eight US Marine Harrier jump jets, a shock severe enough that pilots were pressed into infantry duty for the first time in seventy years. In 2007, four Apache helicopters were destroyed on the ground by insurgents armed with mortars, aided unintentionally by geotagged photographs published online by coalition soldiers.

The Birth of Aerial Dominance in the Great War

The First World War established the foundational patterns of aerial dominance that still shape doctrine today. The conflict produced numerous firsts, including the deployment of aircraft fitted with machine guns and the first successful engagement using a synchronisation gun on the afternoon of 1 July 1915. Throughout the war, control of the Western Front skies shifted repeatedly between the German Empire and the Allied powers, revealing that air supremacy was neither permanent nor easily won. Early in the conflict, losses were heaviest among new pilots, many of whom survived only a day or two before being shot down. The Fokker Scourge period was particularly devastating, and its survivors went on to lead the specialised fighter units that emerged in response. These dedicated squadrons, commanded by highly experienced aviators, dramatically increased the effectiveness of fighter operations and set the template for the organised air forces that would later define the hierarchy of air control. The war thus transformed aircraft from mere reconnaissance platforms into decisive instruments of strategic and tactical power.