Virgin Galactic unveils a new spaceship 'VSS Imagine' in this handout still image obtained by Reuters on March 30, 2021. Virgin Galactic unveiled its new spaceship, the VSS Imagine on Tuesday (March 30), the first of the company's latest generation of commercial spaceships. VIRGIN GALACTIC/Handout via REUTERS

Virgin Galactic unveils a new spaceship 'VSS Imagine' in this handout still image obtained by Reuters on March 30, 2021. The VSS Imagine is finished entirely with a reflective mirror-like material, which provides thermal protection. VIRGIN GALACTIC/Handout via REUTERS

Virgin Galactic unveils a new spaceship 'VSS Imagine' in this handout still image obtained by Reuters on March 30, 2021. Branson says the spaceship will begin the process of ground testing soon, with a test flight program following in the summer from Virgin's Spaceport America in New Mexico. VIRGIN GALACTIC/Handout via REUTERS

Virgin Galactic unveils a new spaceship 'VSS Imagine' in this handout still image obtained by Reuters on March 30, 2021. VIRGIN GALACTIC/Handout via REUTERS

Virgin Galactic unveils a new spaceship 'VSS Imagine' in this handout still image obtained by Reuters on March 30, 2021. VIRGIN GALACTIC/Handout via REUTERS

Virgin Galactic unveils a new spaceship 'VSS Imagine' in this handout still image obtained by Reuters on March 30, 2021. VIRGIN GALACTIC/Handout via REUTERS