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Image: NASA/KSC

Delta II | Swift

United States Air Force · Delta II 7320-10C · Space Launch Complex 17A, Cape Canaveral SFS, FL, USA

United States Air Force's 1,065th launch · 8th this year · humanity's 4,688th orbital launch attempt

November 20, 2004Add to calendar
Success

The launch vehicle successfully inserted its payload(s) into the target orbit(s).

Window: Nov 20, 17:16Nov 20, 17:16 UTC

Flight preview

Swift

NASA Medium-class Explorer satellite dedicated to study of gamma ray bursts, the third after the IMAGE and WMAP satellites.

Astrophysics · Low Earth Orbit (LEO)

Booster

No booster details available.

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No webcast announced yet.

News

SpaceNews·Jul 28, 2026

Swift reboost mission encounters attitude control problems

A spacecraft launched nearly a month ago in a high-risk bid to boost the orbit of a NASA astrophysics satellite is suffering attitude control problems that could jeopardize its mission.

NASA·Jul 27, 2026

NASA’s Swift Sees ‘Wandering’ Mega Black Hole Shredding Star

NASA’s Neil Gehrels Swift Observatory captured an “orphan” black hole lighting up as it devoured a star on the outskirts of a faraway galaxy. These phenomena are rare to begin with, and none had ever before been seen so far outside of a galaxy’s core. “We were looking for these star-shredding events as a way […]

Space Scout·Jul 4, 2026

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.

SpacePolicyOnline.com·Jul 4, 2026

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 […]

SpaceNews·Jul 3, 2026

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.

NASASpaceflight·Jun 29, 2026

Pegasus XL set to air launch Swift Boost Mission to save NASA space telescope

In its first mission since 2021, a Northrop Grumman Pegasus XL rocket is scheduled to…

Pad — Space Launch Complex 17A

145 launches from this pad · 1,122 from Cape Canaveral SFS, FL, USA

Map of Space Launch Complex 17AOpen in maps