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The discovery of the technique of modulating a radio-frequency (RF) signal initiated the journey of the ever-evolving military communications field. However, RF modulation was a mere scientific curiosity until hardware improvements and better…

A magnitude 5.1 nuclear test was detected 376 km (234 mi) NE of Pyongyang, North Korea (DPRK) on January 6, 2015 at 10:30 a.m. local time (01:30 UTC), according to the U.S. Geological Survey (USGS). The event was picked up at seismic stations around…

A mine that either passively listens to a target's sound noises, or periodically interrogates its environment by actively emitting acoustic pulses that may return echoes if prospective targets come within range. A mine is an underwater weapon…

That category of weapons which are typically delivered on target by fixed or rotary-wing aircraft, with the exception of nuclear weapons. Specifically included are guns and ammunition, rockets, free-fall bombs, cluster weapons that consist of a…

All measures required to combat enemy submarines, including strategy, operational employment of forces, tactics, and a wide variety of equipment and weapons to find and destroy submarines and to neutralize their weapons.Goals The key physical facts…

The weapons, equipment, and supplies that permit lethal or nonlethal devices to strike their targets. Armaments can be classified as field artillery, individual and crew-served weapons (infantry), armor and antiarmor, antiaircraft, helicopter…

A weapon that consists of integral rocket propulsion, means of pointing or guiding the weapon's velocity vector to a prescribed orientation at the position and time of rocket engine shutoff or burnout, and a warhead. In certain applications, means…

The art and science of preserving the use of the electromagnetic spectrum for friendly forces while denying its use to the enemy. This is accomplished via use of techniques, devices, and equipment by an adversary to deny or counteract an enemy's use…

An uncrewed, controlled-flight vehicle that is guided to a target by guidance and control equipment. This equipment may be carried in the missile vehicle itself, or guidance may be directed from the launch site. The term is generally reserved for…

Intentional generation of interfering signals in the electromagnetic and infrared spectrum by powerful transmitters as a countermeasure intended to block a communication, radar, or infrared system or to impair its effectiveness appreciably. Radio…