
Īfter the Attack on the Helicarrier, Tony Stark upgraded the Helicarriers so that they relied on repulsor technology rather than turbines, allowing them to stay in the air indefinitely. Their technology was created, in part, with designs by Howard Stark. Specifically, Helicarriers were designed to be capable of sustained, independently-powered flight, via four, massive turbine engines that provide the lift needed to keep them in the air, though they were able to retain seaborne capabilities. Helicarriers are advanced flying command centers that double as aircraft carriers. "Really? They want me in a submerged pressurized metal container?" ― Natasha Romanoff, Steve Rogers and Bruce Banner

It's going to get a little hard to breathe."


"Gentlemen, you might want to step inside in a minute.
