Conversation so far:
What does Bruce currently do now?
The band toured the album in 2016, during which Dickinson once again piloted the band's private plane.
What other significant things has Bruce accomplished?
Dickinson rejoined Iron Maiden in 1999 with Janick Gers remaining in the band.

Question: What did John do in 1999?
Self-contained rewrite: What did John do in 1999?