The system has become a key tool for protecting bases and infrastructure from aerial attacks, but at a high cost.

The Pentagon is moving to dramatically expand production of its most advanced Patriot interceptor, the PAC-3 Missile Segment Enhancement, in a bid to keep pace with surging demand for air and missile ...

The U.S.’s land and sea warfare services may be fierce rivals on the football field, but when it comes to munitions, they increasingly resemble a couple showing up to work wearing each other’s clothes ...