Copper antimicrobial productsWelcome to Altitude, the best multiplayer 2-D aerial combat game on the internet. Altitude is a fierce contest of ace vs ace, battling for supremacy of the skies in a fast paced combat that is way more fun than a flight simulator. It is a game of steely nerves, hair-trigger reflexes and brilliant tactical thinking.Popcorn time old version windowsDescription. The MK4 Battle Light by Steiner Optics is a modular weapon mounted light with interchangeable switch options to fulfill a wide range of tactical applications. The MK4 utilizes a low-profile design and is mounted close to the body of the weapon which virtually eliminates the barrel shadow and optimizes weapon handling.