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CAPE CANAVERAL, Fla. — For the second time in less than a week, a potentially dangerous hydrogen-gas leak forced NASA to delay shuttle Endeavour’s launch to the international space station.
Launch officials waited almost an hour after the leak appeared during fueling early Wednesday, trying to fix it through remote commands, before calling off the predawn launch. After Saturday, unfavorable sun angles prevent an Endeavour launch before July 11.
An unmanned moon shot — NASA’s first in a decade — is scheduled for launch today.
