The U.S. Department of Defense (DoD) released two videos of airstrikes conducted by U.S. forces on Iranian proxy fighters in Syria, which took place over the weekend.On Sunday, a senior U.S. defense official said at least six Iranian proxy fighters were killed in the U.S.’s attacks on Islamic Revolutionary Guard Corps (IRGC) stations in the Middle East.The IRGC stations are located in the Syrian cities of Abu Kamal and Maydin.MIDDLE EAST PAYING PRICE OF BIDEN WHITE HOUSE REMOVING HOUTHIS FROM TERRORIST LIST, EXPERTS SAY The U.S. Department of Defense released video footage of a U.S. airstrike on a training and weapons facility in Abul Kamal, Syria. (Department of Defense)The buildings targeted by U.S. forces included a reported safe house and training facility, but a senior defense source told Fox News that the safe house functioned as a headquarters.Another official told Fox that secondary explosions were seen at one of the locations, which suggested there was a large amount of flammable ammunition or weapons at the facility.PENTAGON CONFIRMS 56 ATTACKS ON US TROOPS IN IRAQ AND SYRIA SINCE OCT. 17One of the videos provided by the DoD on Tuesday show an airstrike on an IRGC training and weapons facility in Abu Kamal, Syria. IRANIAN SHADOW MILITIAS TARGET US, ISRAEL IN MIDDLE EAST: REPORTThe other video shows an airstrike on a safe house operating as the group’s headquarters in Maydin, Syria.Referencing the two previous recent strikes that the U.S. military had against Iran-backed targets, the U.S. official said that “This one will hurt them a lot more than the past strikes.”CLICK HERE TO GET THE FOX NEWS APP Austin said that the airstrikes were “in response to continued attacks against U.S. personnel in Iraq and Syria.”Fox News’ Jennifer Griffin and Fox News Digital’s Andrea Vacchiano contributed to this report. Greg Wehner is a breaking news reporter for Fox News Digital.