Relativity Space, Rocket Lab and PLD Space advance next-gen orbital rocket testing ahead of 2026 debuts
Relativity Space, Rocket Lab and PLD Space each announced key testing milestones for their new orbital launch vehicles—Terran R, Neutron and Miura 5. The companies say the progress is aimed at supporting first debut flights later in 2026, underscoring the push to mature new rocket programs through near-term test campaigns.