9.6K views · 150 reactions | The Military Auxiliary Radio System, also known as MARS, marks its 100th anniversary. Originally the Army Amateur Radio System, it has a long history of service. Happy 100th anniversary to MARS! Watch the full video  https://youtu.be/MCpjWQV2Qyg #MARS #Military #Radio #Anniversary #Army | Ham Radio Prep | Facebook

2.7K views · 51 reactions | Many people don't realize the overlap between amateur radio and the military. The Military Auxiliary Radio System (MARS) provides a backup HF network for the Department of Defense in case things go wrong. It's a network of HF stations that are deployed throughout the continental United States. Watch the full video  https://youtu.be/MCpjWQV2Qyg #amateurradio #military #communication #MARS #DOD | Ham Radio Prep | Facebook

230K views · 8.9K reactions | Did you know? Some sounds that we’re used to on Earth, like whistles, bells or bird songs, would be almost inaudible on Mars. Learn more in the “Sounds of Mars” episode of our Curious Universe podcast.  Listen: nasa.gov/curiousuniverse | NASA - National Aeronautics and Space Administration | Facebook

486K views · 10K reactions | Do you want to know what a Training Corporal does on the new Foundation One course? Watch this video of a day in the life of a 4 (Military Training) Squadron instructor, and if you think you may be interested in a training role in the Corps or the wider Army, DM us for more info. | Royal Corps of Signals | Facebook

291K views · 5.8K reactions | Happy National Radio Day! Meet the radio that's not like your car stereo! One Station Unit Training trainees undergo basic hands-on training on military radios, learning to operate, manage and troubleshoot the equipment to facilitate effective communication in the field. #USArmy #BeMoore | U.S. Army Maneuver Center of Excellence | Facebook