Add Yahoo as a preferred source to see more of our stories on Google. A debate is brewing in the world of aircraft carriers as navies race to build the world's premier force-projection instrument.

President Trump said many of the latest technologies on naval ships is "change for the sake of changing" and he's going back to hydraulics and steam -- and the audience of sailors appeared to agree.

Yet, like all steam contrivances, they are labor-intensive and inefficient. You have to hand it to President Trump; he bites certain topics in the nether regions and develops lockjaw. Certain naval ...

You have to hand it to President Trump; he bites certain topics in the nether regions and develops lockjaw. Certain naval technologies count among those topics. To wit: steam catapults in ...

The Indonesian Air Force recently procured five Lockheed Martin C-130J aircraft. Credit: Lockheed Martin In the past year, Indonesia’s longtime plans to modernize its military finally gained traction ...

A debate is brewing in the world of aircraft carriers as navies race to build the world's premier force-projection instrument. China launched the Fujian, the third aircraft carrier in a fleet it hopes ...

A fleet of jets soar over the U.S.S Ford on a sunny day, as the American flag waves above several docked jets and helicopters on its deck. - U.s. Navy/Getty Images A debate is brewing in the world of ...