SpaceNews
  • Sign up for our newsletters
  • Subscribe to the Magazine
  • News
  • Opinion
  • Military
  • Launch
  • Commercial
  • Sponsored
  • More
    • Civil
    • Policy & Politics
    • Events Calendar
    • Add Your Event
    • About SpaceNews
  • Advertise
  • Facebook Page
  • Twitter Username
  • LinkedIn
  • YouTube
  • RSS Feed
Skip to content
SpaceNews

Covering the business and politics of space

  • Sign up for our newsletters
  • Subscribe to the Magazine
  • News
  • Opinion
  • Military
  • Launch
  • Commercial
  • Sponsored
  • More
    • Civil
    • Policy & Politics
    • Events Calendar
    • Add Your Event
    • About SpaceNews
  • Advertise
Home Phase Four

Subscribe to SpaceNews Magazine

Discover the best publication that space professionals throughout the world turn to first.

  • 1-year subscription available
Subscribe now

Upcoming Events

all events >>

Phase Four

Posted inCommercial

Phase Four adopts iodine for next-gen Max-V engine

Propulsion startup Phase Four is expanding its Maxwell plasma propulsion line by offering Max-V, an iodine-fueled engine.

by Debra Werner October 13, 2022February 18, 2023
Posted inCommercial

Phase Four wins DARPA contract to test novel propellant

by Debra Werner February 16, 2022January 23, 2023
Posted inCommercial

Phase Four and Orbit Fab to work on Maxwell engine refueling

by Debra Werner January 24, 2022January 23, 2023
Maxwell thrusters
Posted inCommercial

Phase Four debuts improved thruster

by Jeff Foust December 6, 2021January 23, 2023
Posted inCommercial

Phase Four Maxwell to test green propellant

by Debra Werner August 25, 2021February 22, 2023
Posted inCommercial

Capella Space and Phase Four reveal Maxwell Engine performance

by Debra Werner June 30, 2021January 23, 2023
Maxwell thrusters
Posted inCommercial

Phase Four announces new electric thrusters, subscription program

by Jeff Foust June 16, 2021January 23, 2023
Maxwell
Posted inCommercial

Phase Four raises $26 million

by Jeff Foust June 11, 2021January 23, 2023
Phase Four thruster
Posted inCommercial

Phase Four wins Air Force contract for electric thruster development

by Jeff Foust April 8, 2021January 23, 2023
Maxwell
Posted inCommercial

Phase Four launches first plasma propulsion systems

by Jeff Foust January 25, 2021January 23, 2023

Posts navigation

1 2 Older posts

Sign up for a SpaceNews newsletter

Get top stories, military space news and more delivered to your inbox.

Subscribe to newsletters
Back to top

About

  • About us
  • Advertise

Subscribe

  • Sign up for Our Newsletters
  • Subscribe to the Magazine
  • Get Magazine Reprints

Events

  • View Events Calendar
  • Submit Your Event

Follow us on

  • Facebook Page
  • Twitter Username
  • LinkedIn
  • YouTube
  • RSS Feed
SpaceNews © 2023. All Rights Reserved. Privacy PolicyTerms & Conditions