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12-Sep-03 | GP-B delay

Gravity Probe B has been delayed once again, this time for the same reason that last postponed SIRTF: “delaminations within the layers of material that comprise the solid rocket booster nozzle exit-cone liners.” Three of the ATK Thiokol-built GEM 40 booster motors will be replaced as a precautionary measure. Nevertheless, stacking of the two-stage Delta 7920 at Space Launch Complex 2-West remains slated to begin next Monday, 15 September, with stacking of the second stage now set to precede attachment of the GEM 40 motors. (NASA ELV Status Report, 10-Sep-03)


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