Marine Corps Air Ground Combat Center Twentynine Palms, California is renowned as the Marine Corps’ premiere training facility. While meeting the needs of visiting units, the installation also utilizes a significant amount of resources while also dedicating to resources to conserving energy, while maintaining the training standards. - Marine Corps Air Ground Combat Center Twentynine Palms, California is renowned as the Marine Corps’ premiere training facility. While meeting the needs of visiting units, the installation also utilizes a significant amount of resources while also dedicating to resources to conserving energy, while maintaining the training standards.