SCORESTREAKS:

Remote-controlled Hover-Capable Explosive Device with a charge that can be detonated at any time. The HC-XD can perform a thrust-powered jump and drive on walls.

Unmanned Aerial Vehicle that periodically sweeps the radar and reveals enemy locations as dots. Can be shot down with normal weapons and launchers.

Remotely launched precision missile with booster rockets. Comes with a cluster bomb payload that can be deployed to strike a wider area. Hellstorm is ideal for hammering key objectives, like control points in Domination.

Calls in a friendly attack craft with advanced stealth capabilities. The Wraith has a defensive flak drone to ward off incoming missiles.

Airdrops multiple Robotic Anti-Personnel Sentry drones to the map that assault the enemy team like the K9 Unit killstreak from BO2.