Foam Update

Engineers to Tackle Cause of Foam Shedding, Washington Post

“June Malone, a spokeswoman for NASA’s Marshall Space Flight Center in Huntsville, Ala., which manages the external tank, said she could not speak about investigators’ findings but confirmed that workers at the Michoud plant at one point performed an abrading procedure “in the general vicinity” of the eventual failure. The aim was to smooth out a divot in the tank’s foam, which is extremely heat-resistant but easily gouged.”