The O.D. Green Cerakote® Space Pen is highly sought after by tactical lovers, military men and women, survival experts, trekkers, hunters, and outdoor enthusiasts who require their gear to perform in all environments, no matter how harsh that environment may be. The Cerakote® finish creates a chemical-resistant, corrosion-resistant, and heat-resistant writing instrument that truly performs in extreme conditions. We always dare to make our pens tougher, stronger, and bolder, while offering a growing selection of color options to match your gear. Olive Drab has been a tactical fan favorite for decades, and we are proud to release this finish option on one of our most desirable models of space pens.