Keywords: US Navy 050720-N-7286M-017 Sailors assigned to the Helicopter Anti-Submarine Light Squadrons based on board Naval Air Station (NAS) North Island, conduct a Foreign Object Debris (FOD) walk down.jpg en San Diego May 21 2005 - Sailors assigned to the Helicopter Anti-Submarine Light Squadrons based on board Naval Air Station NAS North Island conduct a Foreign Object Debris FOD walk down of the flight line during a base-wide clean up FOD walk downs are routinely conducted to ensure small objects are not ingested into aircraft jet engines causing engine malfunctions or failure U S Navy photo by Photographer's Mate 2nd Class Daniel R Mennuto RELEASED 2005-05-21 050720-N-7286M-017 Navy http //www navy mil/view_image asp id 26423 U S Navy photo by Photographer's Mate 2nd Class Daniel R Mennuto PD-USGov-Military-Navy Naval Air Station North Island in the 2000s Foreign Object Damage walk downs |