Video tools demonstration Source: E-3 Sentry maintenance b-roll and interviews Author: Sgt. Michael Risinger Source page: https://www.dvidshub.net/video/794731/e-3-sentry-maintenance-b-roll-and-interviews Rights: Public Domain, as identified by DVIDS. No endorsement is implied. Derived from the existing subtitles-original.mp4 demo (see subtitles-CREDITS.txt), trimmed to 8 seconds, H.264 video with AAC audio, 960x540.