From LSWiki

Class: Military Skills

Attribute: Intellect
Pedagogy: Procedural

This skill represents general expertise in combat, knowledge of what positioning to 
seek, how to use one's weapons to the best advantage, and so on.  Improves the accuracy 
of one's attacks in combat.

See Also: Strategy, Logistics

Trainers

Wanders: Pierce
Avalon: Bercilak
Devonshire: Thalask
Kolond: Duthien (only trains dwarves)
Losthaven: Raelan Jax
Mordor: Badlokk
Mycenae: Kyros
Obsidia: Goth
Quetlatl: Itozuma Wanders
Shadowmyrk: Orchestrating Force
Shadow Tower: Boko
Shakari: Tavar
Shatterspire: Sthlar
Stillwater: Captain Roberts
tlaxcala: Axton
Association required:
Losthaven Guard: Berek
Maidens of the Spear:  Sulin
the Stalkers of the Gate: Kalyxes
Wandslingers: Clyde
Guild required:
Aisenshi: Musashi
Brute Squad: Fezzik
Elflords: Celeborn
Hawkmen: Katar
Justicars of Axa: Edwin
Knights of the Round Table: Sir Lancelot
Nizari: Hasan Wanders
Ordo Ignis Aeternis: Aedryl 
Ordo Ignis Aeternis: Flizera
Shapeshifters Maramar
Quest required
Corna Quests: Marshall Osaka