"Hypersonics." . . "Supersonic speed." . . "Optimization." . . "Hypersonic speed." . . "Optimal control." . . "Trajectory optimization." . . . . . . . . . . . . . . . . . . . . . . . . "Optimal trajectories for an aerospace plane"@en . . . . "Aerospace planes." . . "Algorithms." . . "Trajectories." . . "Mathematical models." . . "Aerodynamic characteristics." . . "Hypersonic flight." . . "Engine design." . .