The Zephyr's final moments.
The ISA Zephyr is a ISA Cruiser that was part of Battle Group Mandrake, which took part in Operation Archangel.
During the invasion of Helghan, the Helghast launched an attack on the ISA Fleet to gain the launch codes for the ISA nuclear weapon codenamed Red Dust. During the battle Zephyr was destroyed by heavy fire from multiple Helghast cruisers.