AH-1 Cobras of Marine Light Attack Helicopter Squadron 167 return from a close air support exercise as part of the first Integrated Training Exercise at Camp Wilson, Twentynine Palms, Calif., Jan. 19, 2013. The ITX is the first of a new series of exercises designed to replace Enhanced Mojave Viper as the Marine Corps' standard pre-deployment training evolution. - AH-1 Cobras of Marine Light Attack Helicopter Squadron 167 return from a close air support exercise as part of the first Integrated Training Exercise at Camp Wilson, Twentynine Palms, Calif., Jan. 19, 2013. The ITX is the first of a new series of exercises designed to replace Enhanced Mojave Viper as the Marine Corps' standard pre-deployment training evolution.