Nathan Aldaco, a 12 year-old boy with hypoplastic left heart syndrome, along with his brother and sister learn about TNT during a Make-A-Wish event supported by 7th Engineer Support Battalion, 1st Marine Logistics Group, at Marine Corps base Camp Pendleton, Calif., March 24, 2016. Marines with 7th ESB and Explosive Ordnance Disposal helped to make Nathan’s wish of training with Marines come true by demonstrating the capabilities of their EOD robots and detonating TNT, C4, dynamite and blasting caps, while the heavy equipment operators gave him the opportunity to ride the D7 dozer and the excavator, in which he dug a pit, built a berm, and broke several large tree trunks. - Nathan Aldaco, a 12 year-old boy with hypoplastic left heart syndrome, along with his brother and sister learn about TNT during a Make-A-Wish event supported by 7th Engineer Support Battalion, 1st Marine Logistics Group, at Marine Corps base Camp Pendleton, Calif., March 24, 2016. Marines with 7th ESB and Explosive Ordnance Disposal helped to make Nathan’s wish of training with Marines come true by demonstrating the capabilities of their EOD robots and detonating TNT, C4, dynamite and blasting caps, while the heavy equipment operators gave him the opportunity to ride the D7 dozer and the excavator, in which he dug a pit, built a berm, and broke several large tree trunks.