7 days average

	avg.	total
atk. losses	302m	289.8m
def. losses	6.4b	6.4b
debris	436.7m$	9.6b$

Shielding tech

Each level increases Units and Defenses Shield Strength by 5%.

Level	Credits
1	128
2	192
3	288
4	432
5	648
6	972
7	1,458
8	2,187
9	3,281
10	4,921
11	7,382
12	11,072
13	16,608
14	24,912
15	37,367
16	56,051
17	84,076
18	126,114
19	189,171
20	283,756

Requirements:
Research Labs 10
Orbital Labs 0
Energy level 10