Two key lawmakers are calling for the Air Force to stop divestment of the Delta IV Heavy rocket until a “certified, reliable” replacement launch system is available.“We do not believe the interests of the national security space community, or the warfighter, are well-served by allowing the phase out of the Delta IV Heavy capability before there is a certified, reliable replacement launch system available,” House Armed Services Committee (HASC) Chairman Mac Thornberry and HASC strategic forces subcommittee Chairman Michael Rogers…
