Klingon Defense Force Command Headquarters was a structure that housed Klingon Defense Force Command, the central authority of the Klingon Defense Force. It was located in the First City on Qo'noS in a plaza overlooking the Qam-Chee River, approximately one half qelI'qam from the Great Hall. One of its key features was its qaDrav, a platform at the center of the plaza where challenges were traditionally issued and fought.

The surviving captains of the mission to the Kavrot sector gathered at Command Headquarters in late 2376 to brief General Kriz and receive new orders. Shortly afterwards, Captain Klag was brought to the Command Headquarters qa'Drav to face a challenge by Kurn, son of Mogh (known to Klag as Rodek). (KE novel: A Burning House)

In 2409, a Fek'Ihri Horde force attacked the KDF headquarters when they returned from Gre'thor. Fek'Ihri Horde leader D'Jar led the assault on the ground. Chancellor J'mpok was present. The building suffered damage and fires blazed in rooms and corridors. The KDF dispatched teams to kill the Fek'Ihri. J'mpok was outraged that an enemy had managed to strike at the heart of the Klingon Empire. STO - Fek'Ihri Return mission: "Blood of the Empire")

the planet Qo'noS
cities and settlements An'quatD'TakkaEmperor Kahless Military CityFirst City (Old Quarter) • KhalKhinahKopf's CliffKrennla (Baldi'maj DistrictKenta District) • Kri'stak CityM'riiahNavarathNarOsNovatQam-CheeQa'yarinQuin'latSaqwa'Serra'nobSzlar'itT'charivTisurTolar'tuTong VeyYa'Koraq Klingon Empire
landmarks and institutions Combat Testing CenterDu'HurghFederation Embassy on Qo'noSFlame Cliffs of KutabiGoqlath CastleGreat Domes of Qo'noSGreat HallHall of HeroesHall of HonorKilgore Landing BayKlingon Defense Force Command HeadquartersLukara EdificeMuseum of Military Triumph and ConquestOrion outpostPalace of KahlessPlace of HonorTactical CollegeTaklar TempleTemple of MolgarTemple of RogaxTengchaH JavThree Turn BridgeTlhIng Veng laboratoryR'kalla SquareVulcan Cuisine
nations and provinces KethaKhlaruMekro'vak
geography Almron PreserveBIng'av MountainsCaves of KahlessCaves of No'MatChak'okCybriss ValleyDuHoH DesertFesh'rin HillsKutabiGharhuilHamar MountainsHatlhHurghJungles of KintakKang's SummitKannaga MountainsKarak SummitKartade ForestKa'Toth plainsKetha LowlandsKol'VatKri'stak volcanoMount BatlhquiMount VorNagh Be'nImeyOna'ja'burQimpoQo'dung MountainsQora ForestQualnagh MountainsShranaSutor MountainsS'zlachTiv'ranischTl'GekhTlhIngtuj MountainsTor'aqUhq'ra' Mountains
bodies of water BIQ'a'bIng OceanBIQ'a'dung OceanChu'paq SeaSea of GatanHoSghaj RiverLake LursorLake LusorNIHbIQ'a' OceanPoSbIQ'a' OceanQam-Chee RiverSkral River
flora and fauna blas rikabok-ratbregitbrush devilchuSwI'cob'latfirespittergaghghIqglob flygrint houndgrishnarkhrunshell squadklongatkradakradgekraw'zakrenchalIngta'lotlhmoqminn'hornorghooghpherzapipiusprickle mousepurisrachtramjepratifersabre bearsarksea pochtoQserpent worms'tarahktaktaknartargTashmanian spiderto'bajyolok
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