IndependentSpace News

Tuesday, July 21, 2026

Business Finance Government Military & Defense Weather Research

Space Community

Events Shop Jobs Industry Associations & 501(c)(3)

Editorials Guest Column

Orbital Index

Lead Story

Live wire

Fresh on the Wire

Live desk

Newsletter

Professional weekly briefing

A concise email on launches, policy, finance, space weather, and orbital activity for space professionals.

Orbital Index

Today in Orbit

Live orbital activity drawn from the public Orbital Index.

Space weather

Reentry watch

Next launch

Featured Package

Featured Coverage

Front Page

Latest Updates

Public news ingest

ISN

Independent Space News

Weekly publication briefing

A concise weekly roundup of ISN reporting, editorial analysis, and developments shaping the space sector.

A professional weekly briefing on launches, policy, finance, and orbital activity. You can unsubscribe at any time.

Directory

Advertise with ISN Submit Article About Editorial Standards & Ethics Trusted Sources Space Glossary Orbital Index Datasets

Legal

LinkedIn YouTube BlueSky Instagram Substack

Going supersonic! NASA's X-59 jet breaks sound barrier for the 1st time | Independent Space News

Story File

Space Community

Published June 5th, 2026 10:31 PM

Updated June 5th, 2026 10:46 PM

ISN News Desk · Reporting based on Space.com

Going supersonic! NASA's X-59 jet breaks sound barrier for the 1st time

NASA's X-59 jet broke the sound barrier for the first time on Friday (June 5), reaching a top speed of about Mach 1.1.

Image: Space.com

NASA's X-59 jet broke the sound barrier for the first time on Friday (June 5), reaching a top speed of about Mach 1.1.

Filed AgainstRead original source

Record tools

Reader Record

Comments

Filed responses, corrections, and reader notes related to this story.

No comments yet.

Back to homepage