Keywords: CH-53D maintenance at MCAS Tustin.jpg An undated photo of a U S Marine Corps Sikorsky CH-53D Sea Stallion undergoing maintenance inside one of the giant blimp hangars at Marine Corps Air Station Tustin California USA Official US Navy photo transferred from http //en wikipedia org en wikipedia source http //members tripod com/airfields_freeman/CA/Airfields_CA_OrangeCo_SE htm PD-USGov-Military-Navy original upload log page en wikipedia MCAS_Tustin_CH-53D jpg 2007-06-19 05 57 Mdhennessey 864×695× 62834 bytes <nowiki>An undated photo of a Marine CH-53D Sea Stallion undergoing maintenance inside one of MCAS Tustin's giant blimp hangars Official US Navy photo PD-USGov-Military-Navy </nowiki> Marine Corps Air Station Tustin Sikorsky CH-53A/D Sea Stallion U S Marine Corps |