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A glossary of military-based abbreviations, acronyms and initials used throughout the First World War, the Second World War and through to present day. The abbreviations are associated with various different nations, primarily the United Kingdom but also including, India, South Africa, USA, New Zealand and Australia. Abbreviations also have a strong focus on various armed forces such as the British Army, Royal Navy and Royal Air Force. Use the browse prefix below to navigate to glossaries beginning with a specific letter.

Contents:  A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z
Abbreviation Definition 1 Definition 2 (if applicable)
K
Killed
KAR
Kings African Rifles
K A RIF
Kings African Rifles
KASHMIR RFLS
Kashmir Rifles
KBE
Knight Commander of the Order of the British Empire
KCB
Knight Commander of the Order of the Bath
KCMG
Knight Commander (Order of St. Michael & St. George)
KD
Killed
KDO
Kommando (South African)
KEH
King Edward’s Horse
K EDW H
King Edward’s Horse
KG
Knight of the Order of the Garter
KGO
King George’s Own
KIA
Killed in Action
K IN A
Killed in Action
KING’S
King’s (Liverpool Regiment)
KO
King’s Own (Royal Lancaster Regiment)
KOSB
King’s Own Scottish Borderers
KOYLI
King’s Own Yorkshire Light Infantry
KR
King’s Regulations
KRRC
King’s Royal Rifle Corps
KSLI
Kings’s Shropshire Light Infantry
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