Around 20 people who coughed up $250,000 for one of the first tickets aboard Virgin Galactic's first flight have cancelled their reservations after last week's deadly crash that claimed the life of co-pilot Michael Alsbury and seriously injured pilot Peter Siebold.

According to The Guardian, Virgin says that 3 percent of its 700 pre-ordered passengers have canceled their plans to take the first commercial flight into low-earth orbit.

The advanced ticket sales were used to partially fund the SpaceShipTwo program, which was destroyed in last week's crash. The third iteration is reportedly being built and the investigation into what caused the crash is ongoing.

Naturally, Virgin isn't saying who asked for a refund, but the list of reservation holders spanned the spectrum from captains of industry to celebrities, including Tom Hanks, Justin Bieber, and even Stephen Hawking.

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A memorial fund has been setup for co-pilot Alsbury through GoFundMe. They've raised over $116,000 in 4 days, and are less than $9k away from reaching their goal.