
United Launch Alliance (ULA) said Friday additional investigations show there is “no systemic issue” with the Delta IV launch vehicle’s RL-10B2 engine following an October 2012 Global Positioning System (GPS) IIF-3 launch mishap that resulted in lower thrust than expected. ULA Vice President for Atlas and Delta Programs Jim Sponnick said during a preview for the company’s upcoming GPS IIF-5 launch that ULA and Air Force teams are in phase two of their investigation related to the Delta IV second…