U S Ranger, a two-time Irish champion and Grade 3-placed runner in the United States, has retired from racing to enter stud at Pauls Mill Farm near Versailles, Ky.\nA 5-year-old Danzig horse, U S Ranger is the first new stallion at Pauls Mill, which moved current sires Artie Schiller and Bellamy Road from Hurricane Hall Stud earlier this summer. Pauls Mill is owned by Ben P. Walden Jr., who purchased U S Ranger.\nU S Ranger raced for breeder Joe Allen, Coolmore Stud owner John Magnier, and partners Michael Tabor and Derrick Smith. Allen and Coolmore Stud will retain an interest in the horse.\nU S Ranger was undefeated in three starts at age 2, then won France's Prix Djebel and Ireland's Waterford Testimonial Stakes at 3 in 2007. He was Irish highweight that year over five to seven furlongs, an honor he achieved again at 4. At 4, his best performances included a runner-up finish in the Group 1 July Cup in England.\nRacing in the United States this year, he finished third in the Grade 3 Inglewood Handicap at Hollywood Park.\nU S Ranger retires with 5 wins from 19 starts in four countries, as well as earnings of $481,775. He is out of the Red Ransom mare My Annette. He is the Dynaformer half-sister's first stakes winner. Pauls Mill will syndicate U S Ranger.