As such, the 1st Sector Army belonged to the same Systems Army as another. Being a Sector Army, the unit contained 147,456 clone troopers who were divided into four corps. Corresponding to the other Sector Armies, it was attached to one of the twenty numbered fleets of the Republic Navy.
The 1st Sector Army was first mentioned in the new Star Wars canon in the eighteenth issue of the De Agostini magazine Star Wars: Build the Millennium Falcon, published in 2015. The 1st Sector Army was introduced in the Star Wars Legends continuity via the 2003 Star Wars Roleplaying Game sourcebook Coruscant and the Core Worlds by Wizards of the Coast as the Azure Hammer Command, later identified as the First Army in the 2012 reference book The Essential Guide to Warfare by Jason Fry and Paul R. Urquhart.
The 1st Sector Army was first mentioned in the new Star Wars canon in the eighteenth issue of the De Agostini magazine Star Wars: Build the Millennium Falcon, published in 2015. The 1st Sector Army was introduced in the Star Wars Legends continuity via the 2003 Star Wars Roleplaying Game sourcebook Coruscant and the Core Worlds by Wizards of the Coast as the Azure Hammer Command, later identified as the First Army in the 2012 reference book The Essential Guide to Warfare by Jason Fry and Paul R. Urquhart.