• Customers: U.S. Army Space and Missile Defense Command and the U.S. Army CubeSats (Gunsmoke-J), Undisclosed
• Launch Vehicles: Northrop Grumman Antares, Cygnus
• Launch Location: Mid-Atlantic Regional Spaceport at NASA’s Wallops (VA) Flight Facility, International Space Station
• Total spacecraft: 3 (two undisclosed USG spacecraft)

Spaceflight’s 36th mission, SEOPS-3 / NG-15, lifted off at 12:36 p.m. EST, Saturday, February 20, from the Mid-Atlantic Regional Spaceport at NASA’s Wallops Flight Facility. The Antares is delivering a resupply capsule, the Cygnus, to the International Space Station (ISS), along with Spaceflight’s 3 USG customer spacecraft.

The following infographic explains how the customer satellites arrive and depart the ISS.

“SS Katherine Johnson” Cygnus cargo craft was released from the ISS successfully on June 29, and the spacecraft, including Gunsmoke-J, were deployed June 30, 2021.

About Gunsmoke-J: Gunsmoke-J is a Joint Capability Technology Demonstration executed by the U.S. Army Space and Missile Defense Command, sponsored by both the Office of the Under Secretary of Defense (Research and Engineering) and the U.S. Army. This science and technology effort will demonstrate an entry-level capability in a 3U form factor relevant to Army war fighter needs. The effort will also help inform future acquisition decisions.