Aisha Campbell is the former second Yellow Ranger of the 'modern era' and the Yellow Ninja Ranger for the Mighty Morphin Power Rangers.
Retroactively, she has also been referred to as the Mighty Morphin Yellow Ranger or Yellow Mighty Morphin Ranger though these are in reference to the show as opposed to proper labels.
More than 20 years after her retirement as a Ranger, Aisha rejoined with teammate Adam Park as an agent of Space Patrol Alpha, wherein the pair monitors the cosmos for evil activity and assists those in need.
A miniseries that involves the history and origin of Blue Centurion, which was part of Power Rangers Turbo (1997 season) by Saban Entertainment, based on Gekisou Sentai CarRanger, which includes the characters Signalman, Sigue and Sigtarou.