2x Planetary Shield Generators
1x Planetary Ion Cannon
4x G-003 Tri-Trackers
3x Speizoc v-188 Penetrators
3x M102 Fire Arc Artillery
2x Troop Regiments
1x Starfighter Base (20 A-Wings, 60 X-Wings, 20 B-Wings)
1x Golan III Space Defense Spacegun

Construction:

1x Planet-to-Space Weapon every Sunday
10x Planet-to-Planet Weapons every Sunday
1x Regiments every Sunday
1x Planetary Shield Generator on the 13th of every month
1x Starfighter Base on the 13th of every month
1x Golan III Space Defense Spacegun on April 7th

Added (23-Mar-2011, 1:28 PM)
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Updated Defenses: Construction Plans continue

2x Planetary Shield Generators
2x Planetary Ion Cannon
8x G-003 Tri-Trackers
6x Speizoc v-188 Penetrators
6x M102 Fire Arc Artillery
3x Troop Regiments
1x Starfighter Base (20 A-Wings, 60 X-Wings, 20 B-Wings)
1x Golan III Space Defense Spacegun

Added (27-Mar-2011, 8:57 PM)
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Updated Defenses: Construction Plans continue

2x Planetary Shield Generators
2x Planetary Ion Cannon
12x G-003 Tri-Trackers
9x Speizoc v-188 Penetrators
9x M102 Fire Arc Artillery
4x Troop Regiments
1x Starfighter Base (20 A-Wings, 60 X-Wings, 20 B-Wings)
1x Golan III Space Defense Spacegun

Added (03-Apr-2011, 11:03 PM)
---------------------------------------------
Updated Defenses: Construction Plans continue

Ecumenopolis, Metropolis, & Industrial Planetary Defenses:
2x Planetary Shield Generators
3x Planetary Ion Cannon
16x G-003 Tri-Trackers
12x Speizoc v-188 Penetrators
12x M102 Fire Arc Artillery
5x Troop Regiments
1x Starfighter Base (20 A-Wings, 60 X-Wings, 20 B-Wings)
1x Golan III Space Defense Spacegun

Basic Planetary Defenses:
2x Planetary Shield Generators
3x Planetary Ion Cannon
16x G-003 Tri-Trackers
12x Speizoc v-188 Penetrators
12x M102 Fire Arc Artillery
5x Troop Regiments
1x Starfighter Base (20 A-Wings, 60 X-Wings, 20 B-Wings)
1x Golan III Space Defense Spacegun

Primitive Planetary Defenses:
2x Planetary Shield Generators
3x Planetary Ion Cannon
16x G-003 Tri-Trackers
12x Speizoc v-188 Penetrators
12x M102 Fire Arc Artillery
3x Troop Regiments
1x Starfighter Base (20 A-Wings, 60 X-Wings, 20 B-Wings)
1x Golan III Space Defense Spacegun