Air Force: This handsome US Air Force Ring makes an ideal gift for any current or retired aviator! Carefully handcrafted from solid 316L Stainless Steel, this rugged and handsome ring is made to last! This stunning design features a large 5.0 carat Simulated Blue Sapphire solitaire bordered by the words United States Air Force. The sides are engraved with Aviator (US Air Force) symbols for honor, courage and commitment.