USAPHC TG 358 (Army Weight Management Guide)
https://phc.amedd.army.mil/PHC%20Resource%20Library/USAPHC_TG_358_Army_Weight_Management_Guide.pdf
ArmyFit
https://armyfit.army.mil
This link is more than GAT 2.0, click the fitness tab to explore
Weight Management
http://www.nutrition.gov/weight-management
http://www.choosemyplate.gov/weight-management-calories.html
Nutrition
https://phc.amedd.army.mil/topics/healthyliving/n/Pages/default.aspx
http://www.choosemyplate.gov/
Sleep
https://phc.amedd.army.mil/topics/healthyliving/sleep/Pages/default.aspx