"We must rebuild our crumbling airships" - Bernie Sanders

Airships seem to be a forgotten technology, with the advent of drones flying across the sky. One of the last technologies to be renovated, airships can hold copious amounts of products, and necessary for the transportation of goods. Now, airships are turning into hybrids. But while the cost of creating the behemoths is enormous, so are the price of repairs. Expect extreme preventative measures for airship security, as no company wants to shell out big bucks due to carelessness.

Source: https://techxplore.com/news/2016-07-age-airships.html