An instructor lays out a plan of attack during first responder's training with Marines from General Support Company, Combat Logistics Battalion 2, during Integrated Training Exercise 1-16 aboard Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Oct. 25, 2015. Marines demonstrate core essential tasks and conduct offensive and defensive stability operations throughout ITX. - An instructor lays out a plan of attack during first responder's training with Marines from General Support Company, Combat Logistics Battalion 2, during Integrated Training Exercise 1-16 aboard Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Oct. 25, 2015. Marines demonstrate core essential tasks and conduct offensive and defensive stability operations throughout ITX.