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- Secondary Image Source - EnvatoElements
- Primary Background Footage Source - EnvatoElements
- Secondary Background Footage Source - PreLinger archives/WikipediaCommons
- Any other footage used listed under Creative Commons CC0, CC1, CC2, CC3 or CC4
- Thumbnail Image licensed from Getty Images. Credit: Kyodo News
- Entries 5, 4, and 3 licensed from JukinMedia and ViralHog
- Entry 2 believed to be in the Public Domain. Credit: MLIT https://www.mlit.go.jp/page/kanbo01_hy_003776.html
- Entry 1 licensed under Creative Commons 3.0 Credit: Nijat Askerov
- All other images and pictures licensed from Envato Elements or various Creative Commons sources.
- Other footage sources we may use;
- - National Park Service Public Domain B-Roll
- - NOAA
- - NASA
- - USGS
- - DoD
- - Creative Commons videos on YouTube if we can verify that the source is original
- The appearance of U.S. Department of Defense (DoD) visual information does not imply or constitute DoD endorsement.
- The appearance of ANY U.S. Government visual information does not imply or constitute endorsement by any government agency or affiliated agency.