Anti-Borg weapons
- Attempted anti-Borg Collective weapons deployed over the history of Federation encounters with the Borg
- 2366: Rapid-frequency nadion-pulse cannon (TNG Novel: A Time to Kill)
- Never deployed due to complexity (TNG Novel: A Time to Kill)
- January 1, 2367: High frequency narrow-band nadion burst from deflector dish (TNG: "The Best of Both Worlds")
- Failed due to advance preparations as a result of the incorporation of Locutus (TNG: "The Best of Both Worlds, Part II")
- Second attempt during October 2367 encounter succeeded against damaged Borg cube (TNG Novel: Vendetta)
- October 19, 2367: Deployment of static warp bubble integrated with Borg subspace field (TNG Novel: Vendetta)
- Failed; cube escaped within minutes (TNG Novel: Vendetta)
- December 20, 2377: Acquisition of transphasic torpedoes, ablative armor from future incarnation of Admiral Kathryn Janeway c.2404 (VOY: "Endgame")
- Initially successful; while ablative armor adapted to shortly after deployment, transphasic torpedoes proved effective until 2381 Borg invasion (TNG Novel: Greater Than the Sum; Destiny)
- June 2380: Deployment of Project Endgame virus against Borg supercube (TNG Novel: Before Dishonor)
- Initially successful but presumed adapted to
- Integrated into attempted multivector weapon (TNG Novel: Greater Than the Sum)
- September 2380: Multivector weapon integrating modified Project Endgame virus, anti-hormonal retroviral attack derived from previous formula, antiassimilation nanite technology developed during assimilation virus incident (TNG Novel: Greater Than the Sum)
- Initially successful against independent assimilated USS Einstein (TNG Novel: Greater Than the Sum)
- Captured by forward attack force from core collective January 2381 during attack on Barolia (TNG Novel: Greater Than the Sum)