JOINT BASE MCGUIRE-DIX-LAKEHURST, N.J. — Soldiers with the 25th Infantry Division, 101st Airborne Division, 11th Airborne Division and Special Operations Command received first touch and training on ...

To meet the challenges of today’s complex and dynamic operational environment, the U.S. Army is endeavoring to improve its ability operate in the electromagnetic spectrum (EMS) in support of ...

Electronic warfare (EW), as defined by the Department of Defense (DOD), are military activities that use electromagnetic energy to control the electromagnetic spectrum (“the spectrum”) and attack an ...

Electromagnetic waves travel at 300,000,000 metres per second (m/s) through a vacuum. Often a phrase is used to help remember the order of the groups of the electromagnetic spectrum such as Roman Men ...

There are seven types of electromagnetic (EM) waves, which make up the electromagnetic spectrum. Electromagnetic waves are transverse waves, and travel at the speed of light. Different types of ...

In 2016, the Federal Communications Commission held a very special auction. For decades, a lot of the electromagnetic spectrum — the airwaves over which TV, radio and wireless signals are transmitted ...

In 1794, for example, the French tethered a hydrogen balloon above a battlefield to spy on Austrian manoeuvres below. Reconnaissance balloons also saw action in the American civil war. In the ...

Radio astronomy opens a window onto the invisible universe. While our eyes can detect visible light, countless objects in ...