Invasion

Game Revolution
Information on every weapon system including fire type, approximate range, maximum number of shots, and charge effect.
http://www.gamerevolution.com/oldsite/games/codes/sony/star_trek_invasion_faq.htm

Game Zone
Includes game description and features with links to reviews and cheats.
http://psx.gamezone.com/gamesell/p17000.htm

GameTalk
Forum where players can discuss game topics.
http://www.gametalk.com/talk/psx/star_trek_invasion/page01.htm

GameZone
Links to various reviews and an overall score.
http://psx.gamezone.com/gamesell/reviews/r17000.htm

Moby Games
Basic information about the game and links to version history and cover art.
http://www.mobygames.com/game/sheet/gameId,3895/

Neoseeker
Contains game information with links to reviews, screenshots, and cheats.
http://www.neoseeker.com/Games/Products/PSX/trek_invasion/