 Complete the following phrase:  He received his education at Waltershausen, and in 1766 entered the service of the Duke of Coburg as lieutet. He later entered the Prussian army and attained the rank of captain. He went to the United States in 1777 in the Hessian contingent in the British service, served with the Hesse-Kassel Feld Jaegerkorps in New York and Pennsylvania 1778-1783, and won a reputation for his successful raids. He participated in the battles of Brandywine, 