Deployment Yard
The Deployment Yard isn't a unit production structure per se, but it required since it manages how many units you can deploy for your attacks. Upgrading it and eventually having more of them will increase your offensive capability by allowing you to send more units to attack.
Build Quantity | Command Center level required (CC level)
1(CC1), 2(CC3),3(CC5),4(CC7)
Level 1
Build Time: 1m 30s
Cost: 2,000 G
Health: 315
Capacity: 15
Level 2
Build Time: 15m
Cost: 20,000 G
Health: 460
Capacity: 20
Level 3
Build Time: 6h
Cost: 50,000 G
Health: 695
Capacity: 25
Level 4
Build Time: 12h
Cost: 160,000 G
Health: 890
Capacity: 30
Level 5
Build Time: 2d
Cost: 580,000 G
Health: 1200
Capacity: 35
Level 6
Build Time: 3d 14h 24m
Cost: 970,000 G
Health: 1320
Capacity: 40
Level 7
Build Time: 4d 21h 36m
Cost: 3,000,000 G
Health: 1440
Capacity: 45
Level 8
Build Time: 8d
Cost: 6,000,000 G
Health: 1560
Capacity: 50
Level 9
Build Time: 10d
Cost: 12,000,000 G
Health: 1680
Capacity: 55