Senator John McCain, naval pilot bomber, captured war hero and twice-defeated presidential candidate died at age 81 on Saturday.  McCain had been battling brain cancer for over a year. Thank you for your service sir, and may you rest in peace. The Arizonan politician, survived plane crashes, a harrowing POW experience in Vietnam, several bouts of skin cancer and multiple political battles.  On Saturday, the war hero  succumbed to his most challenging battle of them all, brain cancer.  McCain died in his home state of Arizona at the age of 81.

According to CNN, In a memoir published in May, McCain wrote that he hated to leave the world, but had no complaints.

"It's been quite a ride. I've known great passions, seen amazing wonders, fought in a war, and helped make peace," McCain wrote. "I've lived very well and I've been deprived of all comforts. I've been as lonely as a person can be and I've enjoyed the company of heroes. I've suffered the deepest despair and experienced the highest exultation.