Sentence: Mike Akhigbe, who was in the Nigerian Navy, was Vice President whilst Abdulsalami Abubakar (later succeeded by Olusegun Obasanjo) was in office.

What data can be extracted from this sentence?
Abdulsalami Abubakar, successor, Olusegun Obasanjo; Abdulsalami Abubakar, inOfficeWhileVicePresident, Mike Akhigbe; Mike Akhigbe, militaryBranch, Nigerian Navy