Blue Origin's launchpad damaged by the recent New Glenn rocket explosion may not be restored until 2028, NASA Administrator Jared Isaacman told CNBC.

Amazon 's satellite internet chief sent a memo to staff addressing last week's dramatic Blue Origin rocket explosion, which threatens to disrupt the internet giant's most important space project.

Then, around 9 p.m. Thursday, New Glenn erupted into a fireball on its launchpad during a test.