Keywords: US Navy 030422-N-5862D-022 Aviation Machinist^rsquo,s Mate 1st Class Sage Mathis uses a bore scope fiber-optic camera to closely examine a blower drive shaft for cracks and corrosion during a maintenance inspection.jpg en Naval Air Station Corpus Christi Texas Apr 22 2003 -- Aviation Machinist s Mate 1st Class Sage Mathis uses a bore scope fiber-optic camera to closely examine a blower drive shaft for cracks and corrosion during a maintenance inspection for the Blackhawks of Helicopter Mine Countermeasures Squadron Fifteen HM-15 The Blackhawks fly the MH-53E Sea Dragon based out of Naval Air Station NAS Corpus Christi U S Navy photo by Chief Photographer's Mate Chris Desmond RELEASED 2003-04-22 030422-N-5862D-022 Navy http //www navy mil/view_image asp id 6970 U S Navy photo by Chief Photographer's Mate Chris Desmond PD-USGov-Military-Navy Naval Air Station Corpus Christi borescopes Helicopter Mine Countermeasures Squadron 15 United States Navy |