Smoking Section Vape products, including e-cigs, e-cigarettes, vapes, and e-hookahs, are electronic nicotine delivery devices that heat a sometimes flavored nicotine-infused liquid into a vapor that users inhale. The Army and Air Force Exchange Service and the Navy Exchange Service have discontinued the sale of vape products. SHARE: Download: Full Size (1.46 MB) Tags: Health, vape, vaping Credit: Marvin D. Lynchard, DOD VIRIN: 191011-D-FW736-0001.JPG Photo Gallery