SpaceShipTwo’s PF-04: A High-Risk Flight

Mike Alsbury
Mike Alsbury

Part 1 in a Series

By Douglas Messier
Managing Editor

Mike Alsbury’s day began with a 3 a.m. wake up at his home in Tehachapi, Calif. He showered, dressed and ate a breakfast that likely consisted of an apple and a granola bar.

Alsbury rarely awoke at so early; but this Oct. 31 was a flight test day. That meant a lot of people were getting up early for the latest milestone in the Tier 1B program. At least that’s what they called it at Alsbury’s employer, Scaled Composites. The rest of the world knew it as WhiteKnightTwo and SpaceShipTwo – the foundation of Sir Richard Branson’s suborbital space tourism program. Scaled built and tested the vehicles for the British billionaire’s spaceline, Virgin Galactic.

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BREAKING NEWS: Jim Tighe to Depart Scaled Composites — UPDATED

SpaceShipTwo on a glide flight with WhiteKnightTwo above it. (Credit: Douglas Messier)
SpaceShipTwo on a glide flight with WhiteKnightTwo above it. (Credit: Douglas Messier)

Updated with statement from Virgin Galactic CEO George Whitesides

By Douglas Messier
Managing Editor

The chief aerodynamicist credited with designing SpaceShipTwo is departing the program on the eve of a crucial series of flight tests designed that Virgin Galactic hopes will lead to the start of commercial suborbital space tourism operations early next year.

Multiple sources have confirmed that Jim Tighe announced on Thursday that he would be leaving his position as chief aerodynamicist at Scaled Composites in two weeks for a job at an unnamed aerospace company. It is not clear what prompted the move.

Update: Reports indicate Tighe will be working for an aviation start-up based in Silicon Valley.

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