Introduction : "We were heavily armed, and we had crystals" -- From wire to wireless : the development-- and acceptance-- of tactical radio -- Crystal control-- the great gamble -- The Signal Corps ...

SHENYANG, China (AP) — Yang Huafeng, a 92-year-old Chinese army veteran, remembers the troops on horseback and the handful of planes that marked the founding of communist China in 1949. It was a far ...

An undersea submersible has spotted crabs, worms and fish thriving on the surfaces of World War II explosives thought to be toxic to marine life. At a former weapons dump site in the Baltic Sea, ...