This effort formally began in 2006 when General Peter Schoomaker (the Army Chief of Staff at the time), was given the support to move the Army from its Cold War divisional orientation to a full-spectrum capability with fully manned, equipped and trained brigades; this effort was completed by the end of 2016. It has been the most comprehensive reorganization since World War II and included modular combat brigades, support brigades, and command headquarters, as well as rebalancing the active and reserve components. The plan was first proposed by the Army's 34th Chief of Staff, Eric Shinseki, in 1999, but was bitterly opposed internally by the Army. By 2020, the Army's 40th Chief of Staff was calling for transformational change, rather than incremental change by the Army. In 2021, Gen. McConville, the Army's 40th Chief of Staff, laid out Aimpoint 2035, a direction for the Army to achieve Corps-level Large-scale combat operations (LSCO) by 2035, with Waypoints from 2021 to 2028.