The Cold War was a state of geopolitical tension after World War II between powers in the Eastern Bloc (the Soviet Union and its satellite states) and powers in the Western Bloc (the United States, its NATO allies and others).
Lawrence Livermore National Laboratory (LLNL) is an American federal research facility in Livermore, California, United States, founded by the University of California, Berkeley in 1952.
A neutron bomb, officially defined as a type of enhanced radiation weapon (ERW), is a low yield thermonuclear weapon designed to maximize lethal neutron radiation in the immediate vicinity of the blast while minimizing the physical power of the blast itself.
Nuclear artillery is a subset of limited-yield tactical nuclear weapons, in particular those weapons that are launched from the ground at battlefield targets.
A Rocket assisted projectile (RAP) is an artillery, cannon or recoilless rifle round incorporating a rocket motor for independent propulsion.
A tactical nuclear weapon (TNW) or non-strategic nuclear weapon is a nuclear weapon, generally smaller in its explosive power, which is designed to be used on a battlefield in military situations, mostly with friendly forces in proximity and perhaps even on contested friendly territory.
The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.
The W48 was an American nuclear artillery shell, capable of being fired from any standard 155 mm (6.1 inch) howitzer, e.g. the M114, M198 or M109.
The W74 was an experimental American nuclear artillery shell.
155 mm (6.1″) is a common and NATO-standard artillery calibre.