Items, NPCs, quests, objects and spells of patch 1.12.1, read live from the realm itself.

Frostwolf Lieutenant's Medal

NPC Level Zone Chance

Wing Commander Mulverick Elite 60 Alterac Valley 100%

Grunnda Wolfheart Elite 58 Alterac Valley 6.67%
Quest Level Side

Call of Air - Vipore's Fleet 60 Both

NPC	Level	Zone	Chance
Wing Commander Mulverick Elite	60	Alterac Valley	100%
Grunnda Wolfheart Elite	58	Alterac Valley	6.67%