Intelligence Support Activity

The  or ISA is a special military unit in the US Army and a faction in Call of Duty: Black Ops II.

Call of Duty: Modern Warfare 3
ISA is mentioned in the cutscene prior to the beginning of Scorched Earth (Modern Warfare 3) where ISA cellphone "snipers" were able to triangulate the location of Alena Vorshevsky in Berlin leading to the Delta Force lead rescue operation.

Campaign
ISA does not make any physical appearance in the campaign, despite being a playable multiplayer faction.

Multiplayer
The ISA only make an appearance in multiplayer as one of the playable factions. They face the Militia in Meltdown, Overflow, and Yemen, then they face the Mercs in Plaza and Slums.

Trivia

 * The ISA announcer is voiced by, which has also done announcer voice work for the Modern Warfare 3  multiplayer faction, the PMC and additionally was the placeholder voice for David Mason at the E3 2012 LA Demo.