This assignment critically examines several lift theories often associated with NASA and highlights their inaccuracies. It compares these flawed explanations with the established guidelines presented in 'The Guide to Aerodynamics'. The paper focuses on three main theories: 'Longer Path' or 'Equal Transits', 'Skipping Stone', and 'Venturi', dissecting their flaws and providing evidence-based counterarguments. The assignment aims to clarify misconceptions surrounding lift generation and emphasize the importance of relying on accurate aerodynamic principles.