Blue Origin on Monday morning said it was "standing down on today's launch attempt to troubleshoot a vehicle subsystem issue."Blue Origin MediaBlue Origin was set to launch its New Glenn rocket on Monday morning.The launch was postponed because of a "vehicle subsystem issue," Blue Origin said."We're reviewing opportunities for our next launch attempt," the company said.The rocket company Blue Origin postponed its highly anticipated New Glenn rocket launch Monday morning, citing a need to "troubleshoot a vehicle subsystem issue."The launch, originally scheduled for a three-hour window from 1 a.m.