
Image: NASA/Laurie Losey
Pegasus XL | Swift Boost Mission

Northrop Grumman Space Systems · Pegasus XL · Kwajalein Atoll, Air launch to orbit
Northrop Grumman Space Systems's 17th launch · 2nd this year · humanity's 7,331st orbital launch attempt
The launch vehicle successfully inserted its payload(s) into the target orbit(s).
Window: Jul 3, 08:36 – Jul 3, 08:36 UTC
Flight preview
Swift Boost Mission
Contracted by NASA under the Small Business Innovation Research Phase 3 contract, Katalyst Space Technologies' LINK servicing spacecraft will rendezvous and attach to NASA’s Neil Gehrels Swift Observatory to re-boost its orbit. This aims to demonstrate a key capability for the future of space exploration and extending the Swift mission’s science lifetime in gamma ray astronomy.
Mission Extension · Low Earth Orbit (LEO)
Booster
No booster details available.
Watch
No webcast announced yet.
Flight timeline
- P0DLiftoff
- T+5SIgnition
- T+1M19SMECO
- T+1M35SSES
- T+2M17SFairing Separation
- T+2M50SSECO
- T+6M35SStage 3 Ignition
- T+7M44SStage 3 Cutoff
- T+12M44SPayload Separation
Updates
Launched and reached orbit.
hitura-nobad · 7/3/2026 · source
Rescheduled for July 3.
Cosmic_Penguin · 7/3/2026 · source
Scrub due to launch vehicle issue.
Cosmic_Penguin · 7/2/2026 · source
Delayed again due to weather
Nosu · 7/1/2026 · source
Scrubbed due to weather
SwGustav · 6/30/2026 · source
Adjusted T-0.
Cosmic_Penguin · 6/30/2026 · source
Refined T-0.
Cosmic_Penguin · 6/26/2026 · source
Delayed to NET June 30 per new marine navigation warnings.
Cosmic_Penguin · 6/26/2026 · source
GO for launch.
Cosmic_Penguin · 6/18/2026 · source
NET June 27 per NOTAMs, TBC.
Cosmic_Penguin · 6/16/2026 · source
News

Rocket Report: "Panic" over Transporter availability; Isar to launch from Canada
"We are delighted to actively help shape the ramp-up of the Ariane 6."

Need a Lift? NASA Launches Swift Rescue Mission
The LINK spacecraft aims to rendezvous, capture, and reboost NASA’s 21 year old Neil Gehrels Swift Observatory.

Katalyst’s LINK On Its Way to Reboost Swift
Katalyst Space’s LINK on-orbit servicing spacecraft is on its way to reboost NASA’s Swift observatory. Northrop Grumman’s Pegasus-XL rocket launched LINK this morning and contact has been successfully established, the […]

Pegasus launches Swift reboost mission
A Pegasus XL launched a mission to reboost a NASA astrophysics spacecraft on what may be the final flight of that rocket.

LINK Spacecraft Set for Mission to Boost NASA’s Swift Observatory
A first-of-its-kind mission to raise the orbit of NASA’s Neil Gehrels Swift Observatory is poised for launch no earlier than Thursday, July 2, 5:09 a.m. EDT (9:09 p.m. UTC+12), from Kwajalein Atoll, part of the Republic of the Marshall Islands in the South Pacific Ocean. A robotic servicing spacecraft called LINK, built by Katalyst Space, will blast […]

Launch Preview: Swift rescue mission, final Atlas satellite launch
Several orbital launches are scheduled worldwide this week. A mission to rescue the Swift observatory…
