sentences:  For the 1971 season, the corps stuck together, offering show promoters the five corps as a package.Despite pressure on show sponsors, judges, and other drum corps, the Combine corps were not only booked into a number of shows together, but they found a host for a show of their own, which was a spectacular success despite fears of failure that lasted until a standing-room-only crowd arrived literally at the last moment.In 1972, the Troopers, along with the nine other corps from the Midwest Combine and the Alliance, plus the Anaheim Kingsmen, Argonne Rebels, and De La Salle Oaklands were founding members of Drum Corps International, which remains as the sanctioning body for junior corps in North America.