The cost of this is wrong, 128 cost. Where as Photon Torpedoes Tech cost's is 2465. (All tech trees)
Example:
<Tech>
<InternalName>YorPhotonTorpedos</InternalName>
<GenericName>PhotonTorpedos</GenericName>
<DisplayName>YorPhotonTorpedos_Name</DisplayName>
<TechTree>Yor_Tree</TechTree>
<ShortDescription>YorPhotonTorpedos_ShortDec</ShortDescription>
<Description>YorPhotonTorpedos_Dec</Description>
<ResearchCost>2465</ResearchCost>
<TechPoints>1</TechPoints>
<AICannotTrade>1</AICannotTrade>
<Tags>Missile</Tags>
<Tags>Weapon</Tags>
<AICategoryWeight>
<Military>20</Military>
<Growth>14</Growth>
<Tech>8</Tech>
<Diplomacy>6</Diplomacy>
<Expansion>16</Expansion>
<Wealth>18</Wealth>
<Influence>10</Influence>
<Fortification>12</Fortification>
</AICategoryWeight>
<Prerequ>
<Techs>
<Option>PayloadMastery1</Option>
<Option>PayloadMastery2</Option>
</Techs>
<TechAge>
<Option>AgeOfAscension</Option>
</TechAge>
</Prerequ>
</Tech>
<Tech>
<InternalName>YorNightmareTorpedoTech</InternalName>
<GenericName>NightmareTorpedoTech</GenericName>
<DisplayName>YorNightmareTorpedoTech_Name</DisplayName>
<TechTree>Yor_Tree</TechTree>
<ShortDescription>YorNightmareTorpedoTech_ShortDec</ShortDescription>
<Description>YorNightmareTorpedoTech_Dec</Description>
<ResearchCost>128</ResearchCost>
<TechPoints>1</TechPoints>
<AICannotTrade>1</AICannotTrade>
<Tags>Missile</Tags>
<Tags>Weapon</Tags>
<AICategoryWeight>
<Military>20</Military>
<Growth>14</Growth>
<Tech>8</Tech>
<Diplomacy>6</Diplomacy>
<Expansion>16</Expansion>
<Wealth>18</Wealth>
<Influence>10</Influence>
<Fortification>12</Fortification>
</AICategoryWeight>
<Prerequ>
<Techs>
<Option>PhotonTorpedos</Option>
</Techs>
<TechAge>
<Option>AgeOfAscension</Option>
</TechAge>
</Prerequ>
</Tech>