Light-Gas Gun Technology: A Historical Perspective -- Scaling and Designing Large-Bore Two-Stage High Velocity Guns -- The Coaxial Plasma Drag Accelerator -- Techniques to Launch Projectile Plates to Very High Velocities -- Sabot Designs for Launching Penetrators and Projectiles -- High-Speed Diagnostics for Ballistics and Explosive Studies -- Some Highlights in the History of High-Speed Photog…