Hezbollah eventually announced its existence in 1985.[122][123] This is while, according to President Reagan's Secretary of Defense Caspar Weinberger, "We still do not have the actual knowledge of who did the bombing of the Marine barracks at the Beirut Airport, and we certainly didn't then."[124] Weinberger mentions lack of certainty about Syria or Iran's involvement as the reason why America did not take any retaliatory actions against those states.[125] Hezbollah, Iran and Syria have continued to deny any involvement in any of the bombings.