 A climate-controlled, 120-yard NFL regulation grass indoor field, and office space for the Chiefs was constructed at Missouri Western adjacent to the school's Spratt Stadium before the 2010 season.Outside of training camp and during the regular season, the Chiefs conduct practices at their own training facility nearby Arrowhead Stadium.The facility is located near the Raytown Road entrance to the Truman Sports Complex just east of Interstate 435 and features three outdoor fields (two grass and one artificial turf) as well as an indoor facility with its own full-size field.