---
title: "York Space Systems First to Deploy Second Layer of T1TL Transport System, Confirms Health of 21 Additional Satellites on Orbit Within Hours"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/293221148.md"
description: "York Space Systems (NYSE: YSS) successfully verified the health of all 21 satellites in its second T1TL transport layer within five hours of launch. Deployed on July 16 via a Falcon 9 rocket from Vandenberg Space Force Base for the Space Development Agency, this mission marks York as the first to deploy this specific system layer."
datetime: "2026-07-20T13:07:09.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/293221148.md)
  - [en](https://longbridge.com/en/news/293221148.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/293221148.md)
generator: "portal-rs"
---

# York Space Systems First to Deploy Second Layer of T1TL Transport System, Confirms Health of 21 Additional Satellites on Orbit Within Hours

York Space Systems, a prominent US national defense and commercial prime company trading under NYSE as YSS, successfully established communication and verified the well-being of all 21 satellites within a brief span of under five hours post-launch vehicle separation. The satellites were sent into orbit on July 16 from Space Launch Complex 4 East at Vandenberg Space Force Base in California, utilizing a Falcon 9 rocket dedicated to the mission in aid of the Space Development Agency (SDA).

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