A new Army organization aims to meld service leaders’ mandates to cut bureaucracy and adopt a venture-capital mindset with their push to turn soldiers’ ideas into manufactured gear.

The new office wants to speed up the development of new ideas, increases the competition for businesses, and keeps soldiers involved throughout.

Maneuvering cruise missiles, fast-moving stealthy fighter jets, armed drones, long-range helicopter-fired air-to-ground weapons and hypersonic rounds traveling at five times the speed of sound are all ...

SCHOFIELD BARRACKS, Hawaii—Inside a mud-splattered tent, the Army’s vice chief and the commander of the 25th Infantry Division watched on two giant TV screens as the division attempted to repel an ...