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NGSS Pegasus XL Swift Boost Mission - space launch mission detailed information

When is NGSS Pegasus XL Swift Boost Mission? Launch date 3/JUL/2026 — Pegasus XL rocket launch by Northrop Grumman Space Systems from Kwajalein Atoll.

NGSS Pegasus XL Swift Boost Mission launch date, launch time, live countdown, live stream and mission status (Success) — tracked on Space Realm.

LAUNCH MISSION

NGSS Pegasus XL Swift Boost Mission

Status

Success

DATE

3 JUL 2026

LAUNCH PROVIDER

Northrop Grumman Space Systems logo — launch provider of Swift Boost Mission

Northrop Grumman Space Systems

external-link-icon-img

Launch Pad

Kwajalein Atoll

??? flag — Kwajalein Atoll launch site external-link-icon-img

Description

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.

Pegasus XL rocket used for the Swift Boost Mission space launch

Pegasus XL

USA flag — Pegasus XL rocket external-link-icon-img

Rocket Description

The Pegasus is an air-launched rocket developed by Orbital Sciences Corporation (now part of Northrop Grumman Innovation Systems). Capable of carrying small payloads of up to 443 kilograms (977 lb) into low Earth orbit, the vehicle consists of three solid propellant stages and an optional monopropellant fourth stage. Pegasus is released from its carrier aircraft at approximately 40,000 ft (12,000 m), and its first stage has a wing and a tail to provide lift and attitude control while in the atmosphere.

Version: 2.8.0

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