Oren writes:
On Thu, 18 Jun 2015 17:30:12 -0700 (PDT), Andy
wrote:

On Thursday, June 18, 2015 at 2:01:54 PM UTC-5, Oren wrote:
Watch Fox News video.

_What happens when you fire giant sleds off aircraft carrier?_

I was impressed by the range. :-)

Andy

Those catapults are run on steam.

No. They're electric linear accelerators (railgun) on the Gerald R. Ford.

That's why they're testing them with sleds first.