The history of warfare isn't solely about weapons, but rather the tactics in use. See the surprising ones that changed ...

Retirement ceremonies were a steady backdrop in the early years of my career. As a young federal employee, I have attended ...

Russian forces are continuing attempts to expand their offensive around Pokrovsk in Donetsk Oblast, bringing up reserves and ...

China announced two of its top generals are under investigation, including the country's most senior general. Analysts suspect it's a political purge by Chinese leader Xi Jinping.