The ambitious plan for a new U.S. missile-defense shield needs to navigate technology hurdles and budget questions.

The U.S. military is backing off its usual talk of good governance and countering underlying causes of African insurgencies ...

The U.S. military is backing off its usual talk of good governance and countering insurgencies’ underlying causes, instead ...

A quarterly earnings release from Nvidia is set to greet investors in the week ahead as the stock market rally has hit pause.