---
title: "Deep Fission Prototype Reactor Canister Arrives at Kansas Site, Advancing Reactor Proof-of-Concept Program"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/291923478.md"
description: "Deep Fission, Inc. (Nasdaq: FISN) has reached a significant milestone as their prototype reactor canister arrives at their Parsons, Kansas site. This event is part of the Company's Proof-of-Concept Well program and Gravity Nuclear Reactor™ development. The small modular pressurized water reactors by Deep Fission are installed one mile underground. The Company's recent listing on the Nasdaq Stock Market adds to the celebration of this achievement."
datetime: "2026-07-07T11:03:25.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/291923478.md)
  - [en](https://longbridge.com/en/news/291923478.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/291923478.md)
---

# Deep Fission Prototype Reactor Canister Arrives at Kansas Site, Advancing Reactor Proof-of-Concept Program

Deep Fission, Inc. (Nasdaq: FISN) has reached a significant milestone as their prototype reactor canister arrives at their Parsons, Kansas site. This event is part of the Company's Proof-of-Concept Well program and Gravity Nuclear Reactor™ development. The small modular pressurized water reactors by Deep Fission are installed one mile underground. The Company's recent listing on the Nasdaq Stock Market adds to the celebration of this achievement.

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