![110914-N-ZZ447-005 GREAT LAKES, Ill. (Sept. 14, 2011) Machinist's Mate 1st Class Ryan Jacobsen, right, demonstrates proper maintenance procedures to Electrician's Mate Fireman Recruit Matthew Webb in the valve and flange lab at 110914-N-ZZ447-005 GREAT LAKES, Ill. (Sept. 14, 2011) Machinist's Mate 1st Class Ryan Jacobsen, right, demonstrates proper maintenance procedures to Electrician's Mate Fireman Recruit Matthew Webb in the valve and flange lab at](https://c8.alamy.com/comp/HG023G/110914-n-zz447-005-great-lakes-ill-sept-14-2011-machinists-mate-1st-HG023G.jpg)
110914-N-ZZ447-005 GREAT LAKES, Ill. (Sept. 14, 2011) Machinist's Mate 1st Class Ryan Jacobsen, right, demonstrates proper maintenance procedures to Electrician's Mate Fireman Recruit Matthew Webb in the valve and flange lab at
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DVIDS - Images - Machinist's Mate (Nuclear) 1st Class Pacifico Delafuente deadlifts during his re-enlistment ceremony aboard the aircraft carrier USS Nimitz (CVN 68). [Image 46 of 78]
![File:US Navy 060210-N-7047S-003 Aviation Machinist's Mate 3rd Class Moreao Salinas, checks a jet engine for foreign object debris (FOD) in Aviation Intermediate Maintenance Departments (AIMD) jet shop.jpg - Wikipedia File:US Navy 060210-N-7047S-003 Aviation Machinist's Mate 3rd Class Moreao Salinas, checks a jet engine for foreign object debris (FOD) in Aviation Intermediate Maintenance Departments (AIMD) jet shop.jpg - Wikipedia](https://upload.wikimedia.org/wikipedia/commons/4/45/US_Navy_060210-N-7047S-003_Aviation_Machinist%27s_Mate_3rd_Class_Moreao_Salinas%2C_checks_a_jet_engine_for_foreign_object_debris_%28FOD%29_in_Aviation_Intermediate_Maintenance_Departments_%28AIMD%29_jet_shop.jpg)