evidence: The changes can be tracked on the maps included in the report. Many were unchanged from last year, but those showing the placement of the major units of China's army, air force, and navy do have new details. [...] The maps show the rotation or relocation of some of the group armies compared to last year. It also shows the location of the headquarters for China's Airborne Corps and Marine Corps, which are part of China's air force and navy, respectively. [...] The map shows the creation of an additional bomber brigade in the PLA's Central Theater and an additional naval aviation brigade HQ in the Northern Theater.