Spaceflight Now: ULA is holding the Delta 4-Heavy countdown to address an issue with a hazardous gas analyzer at the launch pad at Cape Canaveral. This hazardous gas detection system is used to search for cryogenic propellant leaks, and needs to be working before fueling. https://t.co/0IvDs76h0z
Spaceflight Now: ULA is holding the Delta 4-Heavy countdown to address an issue with a hazardous gas analyzer at the launch pad at Cape Canaveral. This hazardous gas detection system is used to search for cryogenic propellant leaks, and needs to be working before fueling. https://t.co/0IvDs76h0z