Dated 18 Jun 2020 with change 9 Nov 2021

ATP 4-90, Brigade Support Battalion, provides doctrinal guidance for the employment of support battalions in brigade combat teams and multifunctional support brigades providing sustainment support to large-scale combat operations. It describes the role, characteristics, core competencies, and functions of these battalions, which normally includes a headquarters and headquarters company, distribution company, field maintenance company, brigade support medical company, and forward support companies.

The principal audience for ATP 4-90 is commanders and staffs assigned to brigade support battalions, brigade combat teams, and multifunctional support brigades. It is applicable to other operational and sustainment organizations in tactical and operational environments. Trainers and educators throughout the Army will also use this publication.

ATP 4-90 applies to the Active Army, Army National Guard/Army National Guard of the United States, and the United States Army Reserve unless otherwise noted.

This book is a "mini" (half the size of a regular piece of paper) size - A popular size to carry anywhere (briefcase, large pocket, purse) but the print is large enough for easy reading. Coil binding is used to allow for easy page flipping with no binding.

This website also has this book in "BIG" size (the size of a regular sheet of paper)

The Color covers are laminated for weather protection with black and white inside printing.