Iranian nuclear sanctions lifted
Prisoner swap
Recent tensions
Iran denied firing rockets and condemned US plans for new sanctions over its ballistic missile program.
The Navy said it released the footage in response to a Freedom of Information Act request, though it also comes as US ally Saudi Arabia has cut ties to the Islamic Republic following attacks on diplomatic posts there after the kingdom's execution of a Shiite cleric.
The 45 seconds of black-and-white December 26 footage, which the Navy said was shot from a Seahawk helicopter, shows what appears to be an oil tanker passing by.
A flash appears on the left side of the video, and, after zooming in, it shows small boats that the US Navy said were Iranian firing rockets.
Here's the video released from the US Navy: