Navy Smile Navy Chief Warrant Officer Four Anthony Kalkbrenner smiles for the camera while on duty. Kalkbrenner served in the Navy for 30 years, retiring as a chief warrant officer four, the highest warrant officer position in the Navy at the time. During his career, he was stationed around the world, including stops at Norfolk, Va.; and Spain. Courtesy photo SHARE IMAGE: Download Image: Full Size (0.1 MB) Tags: Navy Photo By: Courtesy photo VIRIN: 180425-O-ZZ999-003.JPG Photo Gallery