Mastering Non-Destructive Testing (NDT) techniques, specifically Visual Testing (VT), can advance your career in quality control, inspection, and testing, leading to roles like NDT Technician, Quality Inspector, or Testing Engineer, with median salaries ranging from $50,000 to over $90,000. You'll gain expertise to detect surface defects and anomalies through visual examination, ensuring product integrity and reliability in industries like aerospace, energy, and manufacturing, where safety and precision are critical. This certification will also enable you to work on a wide range of components, from small parts to large structures, making you a highly sought-after professional in various industries.