Also known as a tricobalt charge or tricobalt warhead was a type of tricobalt explosive device utilized as a missile. Tricobalt devices were not standard issue weapons on Starfleet starships, but were sometimes carried in addition to photon torpedoes. The yield of tricobalt device is 10,000 teracochranes.

External Information

Tricobalt Devices at Memory Alpha

SECURITY AND TACTICAL DEPARTMENT
IMPORTANT ERRATA	Security and Tactical Department • Security and Tactical Positions • Search and Rescue Specialized Duty Posts • Security Clearances
TACTICAL SYSTEMS	Ablative Armor • MLSS Shields • Phaser Arrays • Photon Torpedoes • Quantum Torpedoes • Tri-Cobalt Torpedoes
SECURITY FUNCTIONS	Access Codes • Security Locations • Security Terminology • Starship Security Procedures Phaser Settings • Tactical Belt • Type-I Phaser • Type-I Non-Lethal Pistol • Type-II Phaser • Type-III Phaser
NOTABLE LOCATIONS	Security Complex • Chief Security Officer's Office • Brig • Isolation Cell • Armory • Phaser Range • Weapons Locker
PERSONNEL FUNCTIONS	Alert Status • Cabin Assignments • Computer Access Levels • Deck Listing • Department Head • Duty Roster • Operating Modes • Security Clearances • Rank Guide • Rank Comparisons • Uniforms
DEPARTMENTS	Command • Flight Control • Intelligence • Operations • Engineering Security/Tactical • Medical • Science • Squadron • Civilians