H3 flew Michibiki 7 while Rocket Lab packed a pad and Roman met its adapter
Japan flew H3 with Michibiki 7, Rocket Lab unveiled containerised GHOST pads, and NASA mated Roman to its payload adapter ahead of an August window.
Science··Morning
H3 puts Michibiki 7 on the vehicle path
Japan's two-stage H3 rocket lifted off from Tanegashima Space Center at 1923 GMT on Monday and its upper stage released the Michibiki 7 navigation satellite into the target orbit 29 minutes later. The satellite joins Japan's Quasi-Zenith Satellite System, a regional navigation network designed to work alongside GPS. The flight was the ninth for H3. The vehicle replaced the H-2A, which retired last year after 50 flights, debuted in March 2023 and had eight liftoffs before this one; two of those failed, the debut flight and the launch of Michibiki 5 last December. H3 returned to flight on June 11 with six satellites. The Quasi-Zenith network is planned to reach 11 satellites and currently has five in operation. Michibiki 7 also carries the Situational Awareness Camera Hosted Instrument built for the US Space Force by MIT Lincoln Laboratory, the second such camera to fly on a Quasi-Zenith spacecraft. At vehicle level, readiness here means a completed ascent and a satellite already on the intended path. Announced network growth remains context around that completed flight.[1]
Rocket Lab packs ground systems into containers
Rocket Lab presented GHOST, short for Global Hypersonic and Orbital Spaceport Technology, during its second-quarter earnings call on Monday. The company says the system packs a complete rocket, launch infrastructure, ground support and range control into standard shipping containers so Electron can fly from new ground. Rocket Lab already flies from two sites, one on New Zealand's North Island and one at Wallops Island in Virginia, and has announced plans for Alaska's Pacific Spaceport Complex. Chief executive Peter Beck said the two planned Alaskan pads would be deployed using GHOST, and that the idea came from a customer of HASTE, the suborbital version of Electron used for hypersonic testing. Electron is 18 m tall and has flown 83 missions since 2017; HASTE first flew in June 2023 and has flown nine times. Beck also said the larger, partly reusable Neutron rocket, originally intended to fly in 2024, is moving into final checkout and assembly of flight hardware. Those future site and vehicle milestones are announced context. The news of the day is a containerised ground architecture offered for new pads.[2]
Roman meets its payload adapter at Kennedy
At payload level, teams at the Payload Hazardous Servicing Facility at NASA's Kennedy Space Center attached the Nancy Grace Roman Space Telescope to its payload adapter and lifted the observatory onto a strut payload attach fitting, the hardware that carries large, heavy loads. The next steps named by the agency are encapsulation inside a SpaceX Falcon Heavy payload fairing at the same facility, then transport to the SpaceX hangar at Launch Complex 39A for integration with the rocket. NASA and SpaceX are targeting a liftoff no earlier than 7:26 a.m. Eastern time on Sunday, August 30, from that pad. The agency says the observatory remains ahead of schedule by nine months against its original plan. Roman is designed to survey wide fields in infrared light, which is why the same mission is expected to extend measurements that Hubble has made of nearby galaxies. Readiness here is mechanical integration of a telescope with launch hardware. It sits beside H3's completed flight and Rocket Lab's containerised pad concept as a third layer of launch preparation: vehicle already flown, ground system packaged for new sites, payload mated for an announced window.[3]
