337K views · 4K reactions | You can see a mesmerizing close-up video of the moon as it completes its final lunar orbit thanks to the Blue Ghost spacecraft. | USA TODAY | Facebook

19K views · 255 reactions | The 23rd Headquarters Special Troops, better known as the Ghost Army, played a unique role in World War II. They used cutting-edge technology to trick the Germans into misjudging Allied capabilities.  Today, the U.S. Army is experimenting with a ghost army in a more literal sense: the new robotic combat vehicles will be uncrewed and armed with remote-controlled weapons. 料 And it’s not the only military innovation being tested. | Sunday Roast | Facebook