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 ...

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 ...

In 2024, General Stephen Whiting, the commander of U.S. Space Command opposed the sale of both the 3.1 to 3.45 GHz and the 7.0 to 8.0 GHz parts of the electromagnetic spectrum when he testified ...

{mosads}For example, when military pilots train within the U.S., they need a certain amount of electromagnetic spectrum, and if it is not available, training will have to be curtailed, Takai said.

(Example: The data collected from this lab demonstrate that each color of light is associated with a range of wavelength values. These wavelength values are inversely related to the energy values in ...

The U.S. military has big plans for better harnessing the electromagnetic spectrum, but lacks the organizational setup to do it, says the Government Accountability Office, or GAO.

The Department of Defense might know that it needs to put in more work to better manage its use of the electromagnetic spectrum — but so far that work has been lacking, according to expert testimony ...

A bipartisan group of lawmakers who co-chair the Congressional Electromagnetic Warfare Working Group said the Defense Department needs to take more of an active role in enhancing its spectrum use ...

During US Army Pacific 's recent war games in Hawaii, those lessons were put to the test as soldiers focused on how to be "small and undetectable" in the electromagnetic spectrum, an airborne ...

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 ...