Toronto, competed in 2010. Yokohama Inspires, from Japan, competed in 2005. The most recent competitors from the United Kingdom were Kidsgrove Scouts from Kidsgrove in 2017, and Cadence from Guildford in 2018. Past championship locations About Headquartered in South Orange, New Jersey, DCA was incorporated as a nonprofit organization with the New Jersey Department of the Treasury on June 8, 1977. DCA is designated a 501(c)(3) organization by the IRS. Active corps Classification and adjudication Currently, DCA assigns all competing corps to four classes. No arrangements are made for corps from outside North America, as the same classification and adjudication applies to all competing corps. With the exception of Mini-corps, all field corps perform in competition as one continuous flight, but scores and rankings are given by class. Current Classes World Class corps typically march between 86 and 128 members who compete at the highest level. Open Class corps typically march between 65 and 85 members. A Class corps are small, often young and developing groups, who typically march between 24 and 64 members. Mini-corps is a special class reserved for very small groups consisting of horns, and percussion or rhythm sections. These groups typically compete on a theater stage, and not on a football field, and are often no larger than twenty members. A mini-corps championships is held the day before World Championship prelims. Historical classes and divisions DCA realigned its competitive classes in 1997, and again in 2001. In 2022, DCA realigned its competitive classes based on ensemble size—World, Open, and A classes. Adjudication DCA's Adjudication Manual is based on three broad categories, Visual, Music and Effect. Visual and Music categories are further subdivided into three reference criteria, or captions: one caption for each of a corps' sections, and two ensemble performance captions. Unlike other adjudication manuals, DCA's manual does include captions for individual or ensemble analysis, or design or effect analysis. The manual includes definitions for appropriate, and achievement, in lieu of proficiency, or attempt. This vocabulary reflects the style of programming utilized by modern all-age corps. Audience entertainment and engagement are also important factors in adjudication as well. Prior to 2011, nine adjudicators were required for each competition, using a different manual. The "European Music Games" adjudication manual published by Drum Corps Europe (DCE) was adapted from the previous DCA format. Past champions DCA realigned its championships classes in 1997 with the introduction of A Class,