Short Answer 
Philip Sheppard, known for his role on Survivor, has a background as a federal agent with the Naval Investigative Service, which shaped his strategic gameplay. His investigative experience likely enhanced his ability to navigate complex dynamics and deception among contestants, making him a notable character on the show.
Step 1: Background of Philip Sheppard
Philip Sheppard is known for his participation on the reality TV show Survivor. Before entering the game, he had a distinguished career as a federal agent with the Naval Investigative Service, which is part of the U.S. Navy’s law enforcement. This background not only shaped his persona but also influenced his gameplay on the show.
Step 2: Role of the Naval Investigative Service
The Naval Investigative Service is responsible for investigating several types of crimes and activities related to the U.S. Navy. This agency’s work often involves serious and high-stakes situations, adding a layer of complexity to Sheppard’s character on Survivor. His experience may have given him a unique perspective on strategy and deception, essential elements in the game.
Step 3: Impact on Strategy and Gameplay
Philip’s background as a federal agent added intrigue to his interactions with fellow contestants on Survivor. His strategic approach likely benefited from his investigative skills, allowing him to read his opponents and adapt his tactics effectively. This combination of past experience and gameplay made him a memorable figure in the show.