Conversation so far:
When did Motörhead start to become a successful band?
In July 1978, Motörhead returned to the management of Douglas Smith, who secured a one-off singles deal with Bronze Records.
What single was released by Motörhead in July 1978?
Motörhead's Louie Louie single was issued in September peaking at number 68 on the UK Singles Chart, and the band toured the UK to promote it
When was Motörhead's first major album released?
Motörhead's first major album was released in August 1977
What tracks did Overkill by Motörhead consist of?
Overkill by Motörhead consisted of the album track No Class as the A-side with the previously unreleased song Like a Nightmare on the B-side.

Question: When did they release Bomber?
Self-contained rewrite: When did Motörhead release the album Bomber?