User blog comment:Damac1214/Zombies TranZit mode having details released from October 8th-11th, Zombies Gameplay Preview coming October 12th/@comment-1854594-20121009070527/@comment-3515798-20121009162040

http://www.callofduty.com/content/dam/atvi/callofduty/blackops2/cod-bo2/screenshots/Delivery1.png

Here's what Delivery 1 was.