Congressional investigators are raising new safety concerns about Space Exploration Technologies Corp.’s plans for future manned launches, citing persistent cracking of vital propulsion-system components, according to government and industry officials familiar with the details. The Government Accountability Office’s preliminary findings reveal a pattern of problems with turbine blades that pump fuel into rocket engines, these officials said. The final GAO report, scheduled to be released in coming weeks, is slated to be...

Source: Wall Street Journal February 02, 2017 20:37 UTC