Simple guidance methods for Reentry Vehicles (RV) with low lift to drag ratio (L/D) during the reentry phase is investigated. Proposed algorithms, based on nominal trajectory method, permit the vehicle to experience the aerodynamic force, which is needed to keep the actual trajectory close to the desired one and increase landing accuracy. Simulation results for a conceptual RV are provided to demonstrate the performance of the trajectory guidance laws under a variety of non-nominal conditions.

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