If you manually fast forward through the video POTUS tweeted yesterday, you can detect that the camera moves with the President.
For those worried about doxing POTUS' location, they know we're not retards and wouldn't post a video if they were worried about giving away his location.
https://twitter.com/realDonaldTrump/status/1312525833505058816
>If he were being filmed on a ship the CAMERA would also be going up and down, hence, you wouldn't see ANY movement.
Check out the video of this cruise ship captain being interviewed. Everything goes up and down with the waves. This is not unusual:
https://www.youtube.com/watch?v=N219mUdu3so
-t. retired Coastie
Perhaps, but why use a drone camera when tripods exist?