Cygnus NG-20 flown ISS cover - first Falcon 9 flight

Cygnus NG-20 Flown ISS Cover — A Rare Transitional Mission Artifact

Rare cover flown aboard the International Space Station during the historic Cygnus NG-20 resupply mission—an important milestone in the evolution of NASA’s commercial cargo program.

Named S.S. Patricia “Patty” Hilliard Robertson, the Cygnus spacecraft launched from Cape Canaveral on 30 January 2024, carrying more than 8,200 pounds of scientific equipment, supplies and station hardware. On 1 February 2024, NASA astronaut Loral O’Hara captured the spacecraft with the station’s Canadarm2 robotic arm, after which it was berthed to the ISS.

NG-20 was the first Cygnus mission launched aboard a SpaceX Falcon 9 rocket. Earlier Cygnus spacecraft had primarily flown aboard Northrop Grumman’s Antares launch vehicle, whose first stage incorporated Ukrainian-built structures and Russian RD-181 engines. With the remaining Antares 230+ hardware exhausted and its international supply chain disrupted, Falcon 9 provided an essential bridge for continuing Cygnus deliveries to the station.

According to several insiders, Russian Segment Commander Oleg Kononenko prohibited other Russian crew members from signing flown covers or requesting signatures from international astronauts during this period. This restriction significantly reduced the number of signed philatelic artifacts produced aboard the station, adding to the scarcity and collector appeal of surviving NG-20 material.

A fascinating flown artifact connecting the International Space Station, the Cygnus cargo program and the first-ever Falcon 9 launch of a Cygnus spacecraft.