In the Museum: Hot Commodity
- By Michael Klesius
- Air & Space magazine, February 2009
(Page 2 of 2)
“In a way,” said Raj, “we are reinventing the wheel, but the wheel was perfected before.” Examining the old heat shield material, he says, “independently validates our current design.” Beneath the heat shield, Orion’s surface will be titanium, rather than stainless steel, to save weight, but the shield itself may turn out to be about the very same as the one used 40 years ago—welcome proof that NASA got it right the first time.