[DOC] [TLE] Aircraft catapult - Wikipedia [PAR] An aircraft catapult is a device used to launch aircraft from ships, most commonly 
used on ... The U.S. Navy is developing the use of electromagnets with the 
construction of ... was launched from USS Langley using a catapult powered by 
gunpowder. ... Navies introduced steam catapults, capable of launching the 
heavier jet... [DOC] [TLE] Electromagnetic Aircraft Launch System - Wikipedia [PAR] The Electromagnetic Aircraft Launch System (EMALS) is a system under 
development by the United States Navy to launch carrier-based aircraft from an 
aircraft catapult .... Compared to steam catapults, EMALS can control the launch 
performance with ... The Indian navy has shown interest in installing EMALS for 
its planned... [DOC] [TLE] Expert: China grasps main steam-powered catapult technologies ... [PAR] Sep 30, 2016 ... Expert: China grasps main steam-powered catapult technologies ... News about 
China's aircraft carrier has made headline on foreign ... According to the article, 
for nearly sixty years, the U.S. Navy fighters ... USNI News also published 
airborne photos of a launch bar-equipped J-15 last week, ... 2016-10-12. [DOC] [TLE] Expert: China Grasps Main Steam-Powered Catapult Technologies [PAR] Sep 30, 2016 ... News about China's aircraft carrier has made headline on foreign media lately. ... 
According to the article, for nearly sixty years, the U.S. Navy fighters have 
launched from aircraft carrier decks with steam-powered catapults. These 
catapults were created for carriers because they can safely accelerate large... [DOC] [TLE] Top Gun (1986 movie): What is the probability that both catapults on ... [PAR] The answer is "it depends". As this deck layout board shows, the USS Enterprise 
(which was ... The US Navy has been moving away from steam systems 
throughout its fleet for >50 years due to ... catapult system that the US Navy is 
moving quickly toward rail-gun driven catapults, which .... Written Oct 12, 2014  
Upvoted by. [DOC] [TLE] Carrier Catapult Tests Once a Common Sight at Brooklyn Navy Yard ... [PAR] Jun 10, 2015 ... Last month, the US Navy began testing of its new Electromagnetic Aircraft ... In 
the 1950's, the Navy began deploying steam-powered catapults, which ... 
Frequently, visitors on our Brooklyn Navy Yard Tours recall watching these tests. 
... which has contributed greatly to the ballooning cost of the carrier, now... [DOC] [TLE] How the US Navy tests aircraft carrier catapults - Business Insider [PAR] Feb 4, 2016 ... Despite sounding a bit technical, these new aircraft-carrier catapults are ... 12 tips 
on how to get a high-paying job at Google even with a low GPA .... Launch 
System (EMALS) catapults instead of steam-powered ones. ... Because of these 
catapults, US aircraft carriers can launch heavier, better-equipped... [DOC] [TLE] China Wants to Launch Carrier Fighters Just Like the U.S. Navy [PAR] Sep 27, 2016 ... China Wants to Launch Carrier Fighters Just Like the U.S. Navy ... have launched 
from aircraft carrier decks with steam-powered catapults. These catapults were 
created for carriers because they can safely ... The Flying Shark is based on the 
Russian Sukhoi Su-33 carrier fighter but equipped with Chinese... [DOC] [TLE] U.S. Navy Catapult Anniversary Highlights Strides in Carrier Aviation ... [PAR] Jul 12, 2014 ... ... equipped to carry aircraft. Since then, U.S. Navy aircraft carrier launching 
technology has evolved, from hydraulics to steam-powered catapult... [DOC] [TLE] Watch The Navy's Railgun Catapult A 4-Ton Sled Off An Aircraft ... [PAR] Jun 18, 2015 ... The day is coming when the U.S. Navy will be able to use its electromagnetic ... 
steam-powered catapult, the railgun uses stored kinetic energy and .... The Ford 
has 12 of these complex apparatuses to power its four catapults. [DOC] [TLE] U.S. media said the f -15 test "catapult": electromagnetic catapult or ... [PAR] Sep 29, 2016 ... U.S. media said the f -15 test "catapult": electromagnetic catapult or under 
construction. ... nearly 60 years, the U.S. Navy has been using steam powered 
catapult to ... class aircraft carrier in its

Question: The U.S. Navy has 12 of these equipped with steam-driven catapults
Answer: Aircraft carriers