Rocket Lab Achieves Milestone for Missile Defense Constellation, Passes System Requirements Review for SDA Tracking Layer Tranche 3

LONG BEACH, Calif., May 27, 2026 (GLOBE NEWSWIRE) -- Rocket Lab USA, Inc. (Nasdaq: RKLB), a leading launch and space systems company, today announced it has successfully passed System Requirements Review (SRR) for the Space Development Agency's (SDA) Tracking Layer Tranche 3 (TRKT3) constellation.