Story perspectives

Cygnus XL Set for Historic ISS Launch Sunday

9/13/2025

30 5

Summary

Story summary

Northrop Grumman's Cygnus XL spacecraft is set to launch to the International Space Station on Sunday, Sept. 14, at 6:11 p.m. ET.
It will deliver over 11,000 pounds of supplies and scientific equipment.
This mission features the first flight of the larger, solar-powered Cygnus XL, which carries 33% more cargo than earlier models.
The Falcon 9 rocket will launch from Cape Canaveral Space Force Station and return to land, producing a sonic boom.
Astronauts will use the Canadarm2 to dock the spacecraft on Sept. 17, honoring NASA astronaut William “Willie” C. McCool, who perished in the Columbia disaster.

1 of 1

Story summary

Northrop Grumman's Cygnus XL spacecraft is set to launch to the International Space Station on Sunday, Sept. 14, at 6:11 p.m. ET.
It will deliver over 11,000 pounds of supplies and scientific equipment.
This mission features the first flight of the larger, solar-powered Cygnus XL, which carries 33% more cargo than earlier models.
The Falcon 9 rocket will launch from Cape Canaveral Space Force Station and return to land, producing a sonic boom.
Astronauts will use the Canadarm2 to dock the spacecraft on Sept. 17, honoring NASA astronaut William “Willie” C. McCool, who perished in the Columbia disaster.