Deploy
From Warzone Wiki
Deploying refers to adding armies from your available army stack. It is calculated like this: Base armies per turn (set by the game creator; default is 5) + (armies from bonuses and super bonuses, if any)
[edit] How many armies can you deploy?
See Income calculation.
[edit] When do deploys happen?
After Reinforcement and Spy Cards and before Bomb cards. See Turn phases for more.