---
type: "Topics"
locale: "en"
url: "https://longbridge.com/en/topics/100000000692452.md"
description: "$Rocket Lab(RKLB.US)announced it successfully passed the System Requirements Review (SRR) for the Space Development Agency’s (SDA) Tracking Layer Tranche 3 (TRKT3) constellation.This is a key de-risking step for its role in a $816 million firm-fixed-price Other Transaction Authority (OTA) contract, part of a broader $3.5 billion program across multiple vendors.Rocket Lab is building satellites on its Lightning platform equipped with advanced in-house Phoenix wide field-of-view infrared sensors for missile warning/tracking (including hypersonics), StarLite space protection sensors against directed energy threats, and supporting ground software.This builds on a December 2025 prime contract award. Combined with prior SDA Transport Layer work, Rocket Lab’s total SDA-related backlog now exceeds $1.3 billion. The constellation supports persistent global missile detection and defense for the U.S. and allies, with launches targeted around FY2029.It validates Rocket Lab’s technical approach and vertical integration (sensors, spacecraft, software all in-house). It positions the company as a credible prime contractor for complex national security missions beyond just launches.@Bridge Buzz SG"
datetime: "2026-05-27T14:38:06.000Z"
locales:
  - [en](https://longbridge.com/en/topics/100000000692452.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/100000000692452.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/100000000692452.md)
author: "[Marina Bay](https://longbridge.com/en/profiles/26381638.md)"
generator: "portal-rs"
---

# $Rocket Lab(RKLB.US)announced it successfully pass…


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> **Disclaimer: This article is for reference only and does not constitute any investment advice.**