Gafra

Gafra was an Imperial BFF-1 Bulk Freighter that contained a new experimental nuclear warhead.

According to the plan by Crix Madine and the Sullustan technicians who had just joined the Alliance, they needed the warhead in order to destroy the Invincible.

The freighter was protected by a field of mines around it, but Keyan Farlander on an Y-wing cleared them out and disabled the freighter. When was that done, the Lambda-class shuttle Herald came and boarded the freighter in order to lead it to the Alliance headquarters.

However when the shuttle was done and the freighter was ready to enter hyperspace, Imperial Delta-class DX-9 stormtrooper transport came and attempted to destroy the freighter, but Farlander was able to drive them off.

With the help of abducted Cygnus Corp staff, the warhead was then 'delivered' to the Invincible in a Shuttle, and the Star Destroyer was blown from inside.