She proved her mettle as a competitive heroine. Kahn's complicated family life inspired the "Undaunted Mettle" episode of "". This helped the World War II troops' mettle to be steadfast. Debutant Merlapaka Gandhi proves his mettle with the debut film. The actor proves his mettle yet again when it comes to backing good scripts. Or power corrupted him, and he lacked the moral mettle to rule with integrity. Many Meteor pilots went on to "prove their mettle" by attempting the same feat. Tomorrow let him show his mettle, abide my spear if he dare. Zhu soon had the opportunity to test the mettle of his new army. Hardy soon invites Ramanujan to Cambridge to test his mettle as a potential theoretical mathematician. He wanted to test Herrmann's mettle. This set into motion a series of events which tested Kumbha's mettle as a warrior. This leads to their headquarters being destroyed and the team being ambushed by Heavy Mettle. Every week Whitney would test the mettle of the Australian public. GVK Reddy has reaffirmed the Indian mettle on a global arena.