Rupert Hargreaves has no position in any of the shares mentioned. The Motley Fool UK has no position in any of the shares mentioned. Views expressed on the companies mentioned in this article are those of the writer and therefore may differ from the official recommendations we make in our subscription services such as Share Advisor, Hidden Winners and Pro. Here at The Motley Fool we believe that considering a diverse range of insights makes us better investors. I would like to receive emails from you about product information and offers from The Fool and its business partners. Each of these emails will provide a link to unsubscribe from future emails. More information about how The Fool collects, stores, and handles personal data is available in its Privacy Statement. Simply click below to discover how you can take advantage of this. The Rolls-Royce (LSE: RR) share price has plunged a staggering 44% in 2020. Investors have sold their shares as the coronavirus has forced countries around the world to close their borders.This has had a devasting effect on the global aviation industry and Rolls-Royce, which is one of the largest suppliers of aircraft engines in the world5G is here – and shares of this ‘sleeping giant’ could be a great way for you to potentially profit!According to one leading industry firm, the 5G boom could create a global industry worth US$12.3 TRILLION out of thin air…And if you click here we’ll show you something that could be key to unlocking 5G’s full potential…But with the global economy beginning to show signs of life again, could now be the time to buy the Rolls-Royce share price?Rolls-Royce share price on offer?Even though it’s one of the largest suppliers of jets for aircraft in the world, Rolls-Royce doesn’t make much money on the sale of each engine.Instead, the company relies on lucrative after-sales service contracts. These guarantee a steady cash flow in the years after each engine is sold. However, many of these contracts are also tied to the number of hours flown. In other words, Rolls-Royce doesn’t get paid if these engines don’t fly.As demand for air travel has collapsed over the past few months, income has dried up. This has devastated the firm’s bottom and the Rolls-Royce share price. While the company also has significant defence and marine operations, management was relying on the cash flows from engine and maintenance contracts to help grow the business over the next few years.For example, management was targeting free cash flow of £1bn per annum from operations at the beginning of this decade. This target has now been scrapped.To try and stem the bleeding, Rolls is planning 9,000 job cuts. There have also been reports the company has asked the government for help. These actions may help the company weather the storm.But, at this point, it’s difficult to tell what the future holds for this engineering champion.Margin of safetyAirlines around the world are starting to reopen operations again, which is good news for the Rolls-Royce share price. But, at this stage, it’s also difficult to tell if the company will ever return to its former glory.Forecasts suggest demand for air travel won’t return to 2019 levels until at least 2023. That may mean Rolls-Royce faces a couple of years of uncertainty.However, with the stock down 44% since the beginning of the year, it looks as if the shares offer a wide margin of safety for investors. As such, it may be worth buying a share of this global engineering champion as part of a well-diversified portfolio.While the business may be facing several years of uncertainty, it’s still one of the world’s leading aerospace and defence companies. This is unlikely to change any time soon. What’s more, research shows that buying stocks with a wide margin of safety can generate substantial returns for investors, even if the companies have uncertain futures.With that being the case, the Rolls-Royce share price could be a great way to play the global economic recovery. Our 6 ‘Best Buys Now’ Shares Renowned stock-picker Mark Rogers and his analyst team at The Motley Fool UK have named 6 shares that they believe UK investors should consider buying NOW.So if you’re looking for more stock ideas to try and best position your portfolio today, then it might be a good day for you. Because we’re offering a full 33% off your first year of membership to our flagship share-tipping service, backed by our ‘no quibbles’ 30-day subscription fee refund guarantee. See all posts by Rupert Hargreaves Click here to claim your copy now — and we’ll tell you the name of this Top US Share… free of charge! 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