'Azrael', an AC-130a Spectre, an early version of the current AC-130H / AC-130U Gunship.
This particular AC-130a saw action in the 1991 Gulf War, where it engaged fleeing Iraqi forces along the Al Jahra highway between the Kuwaiti capital and the city of Basra in southern Iraq.
The AC-130a was typically armed with 4 MXU-470 7.62mm miniguns and 4 M61A1 20mm cannons.