Cook pasta according to package directions; drain and keep warm.
Meanwhile, combine soy sauce, sherry, cornstarch and stock. Stir-fry turkey with ginger, garlic and red pepper in hot wok or large skillet over medium heat, until turkey is cooked. Add green onions; stir-fry 1 minute. Add soy sauce mixture; cook and stir until mixture boils and thickens slightly. Stir in shrimp and heat through.
Pour over noodles and toss to combine. Serve in individual bowls with vinegar as a garnish.