4.6K views · 42 reactions | The Battle Skills Test provides a structured approach to ensure all Marines sustain proficiency in 30 of the 178 common skills taught during entry level training. Contact your Headquarters and Service Battalion, Quantico Company Office to to get your Marines on the next BST event hosted at Camp Upshur. | Marine Corps Base Quantico | Facebook

PAPIs are a series of lights by the runway threshold that provides visual descent guidance during final approach. Using a series of lenses and mirrors, these lights will tell you if you’re too high to make a stabilized approach, too low for obstacle/terrain clearance, or properly established on a roughly 3-degree glide path for landing. | Uretsky Aviation