[DirectorTsaarx]

KO: You found the "Plasma Charge" weapon from the Organic Weapons area, not the Plasma Missile (aka Plasma Torpedo) weapon from the Missile area (tech levels 3-8, IIRC).

The Plasma Missile I description in the standard Components.txt, SEIV v. 1.30:

Name := Plasma Missile I
Description := Seeking plasma powered missile with an anti-matter core.
Pic Num := 70
Tonnage Space Taken := 50
Tonnage Structure := 50
Cost Minerals := 200
Cost Organics := 0
Cost Radioactives := 40
Vehicle Type := Ship\Base\Sat\WeapPlat
Supply Amount Used := 10
Restrictions := None
General Group := Weapons
Family := 2004
Roman Numeral := 1
Custom Group := 0
Number of Tech Req := 1
Tech Area Req 1 := Missile Weapons
Tech Level Req 1 := 3
Number of Abilities := 0
Weapon Type := Seeking
Weapon Target := Ships\Planets
Weapon Damage At Rng := 70 65 60 55 50 45 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Weapon Damage Type := Normal
Weapon Reload Rate := 3
Weapon Display Type := Seeker
Weapon Display := 2
Weapon Modifier := 0
Weapon Sound := pLastorp.wav
Weapon Family := 5
Weapon Seeker Speed := 5
Weapon Seeker Dmg Res := 30

Hope this helps...