First Flight Since 2021
Northrop Grumman's Pegasus XL rocket is slated for its first launch in over two years. The vehicle will be released from a modified Lockheed L‑1011 carrier aircraft at roughly 12 km altitude.
Objective of the Swift Boost Mission
The mission, dubbed "Swift Boost," seeks to reactivate NASA's Swift space telescope, which suffered a failure in October 2023. By attaching a new propulsion module, the spacecraft’s orbit will be corrected and its scientific life extended.
Launch Details and Timeline
Launch is scheduled for 15 July 2024. The carrier aircraft will depart from Cape Canaveral Air Force Station, releasing the rocket over the Atlantic Ocean. The trajectory is designed for the payload to reach its target orbit approximately 30 minutes after release.
Technical Highlights
- Pegasus XL employs a two‑stage solid‑propellant motor.
- Air launch reduces fuel consumption compared with ground‑based launches.
- The payload includes upgraded guidance and communications hardware for Swift.
Implications for Spaceflight
A successful flight would reaffirm the viability of the Pegasus family and illustrate that air‑launch systems can provide cost‑effective solutions for small‑scale missions. Restoring Swift would also resume critical observations of gamma‑ray bursts and other high‑energy phenomena.