NAVIS demo photography — Wikimedia Commons
아래 사진은 각 라이선스 조건에 따라 사용하며, 원본과 저작자를 밝힌다.

login-sea.jpg  · CC0 (퍼블릭 도메인 헌정)
  "Fishing boats, morning, Beach, Rincon de la Victoria, Andalusia, Spain"
  https://commons.wikimedia.org/wiki/File:Fishing_boats,_morning,_Beach,_Rincon_de_la_Victoria,_Andalusia,_Spain.jpg

course-nav.jpg · Public domain (U.S. Navy)
  "An officer stands bridge watch at sea."
  https://commons.wikimedia.org/wiki/File:An_officer_stands_bridge_watch_at_sea._(8434693293).jpg

course-tpi.jpg · CC BY-SA 3.0 — 저작자: Slaunger
  "Fishing boat Nørre Vorupør 2012-11-18 cropped"
  https://commons.wikimedia.org/wiki/File:Fishing_boat_N%C3%B8rre_Vorup%C3%B8r_2012-11-18_cropped.jpg

course-bdp.jpg · CC BY-SA 4.0 — 저작자: Mohsen87taha
  "Aquaculture 1"
  https://commons.wikimedia.org/wiki/File:Aquaculture_1.jpg