AN meaning in Military and Defence ?

Answer: What is Alphanumeric mean?

Alphanumericals are a combination of alphabetical and numerical characters, and is used to describe the collection of Latin letters and Arabic digits or a text constructed from this collection.

Merriam-Webster suggests that the term "alphanumeric" may often additionally refer to other symbols, such as punctuation and mathematical symbols.

In the POSIX/C locale, there are either 36 (A-Z and 0-9, case insensitive) or 62 (A-Z, a-z and 0-9, case-sensitive) alphanumeric characters.

reference

Full Form	Category
Atharv Naik	Academic & Science
Asymptotically Normal	Academic & Science
Acid Number	Academic & Science
Account Number	Accounts and Finance
Automation, Inc. of Delaware	Business
Ammonium Nitrate	Chemistry
Access Network	Computer and Networking
Access Node	Computer and Networking
Advisory Note	Computer and Networking
Architecture Neutral	Computing
Netherlands Antilles	Country Names
Anorexia Nervosa	Disease
Alternative National	General
Ai An	General
Akademija Nauk	General
Acrylonitrile AN	General
American Native	General
As Needed	General
Ada National	General
Any Number	General
Archives Nationales	General
ada AN	General
anotherReallyLongName an	General
American Names	General
Aron Nichols	General
Airworthiness Notice	General
Archive Note	General
Netlayer (Auxiliary, Netlayer)	General
Adequate Nutrition	General
Advanced Negative	General
Acquired Nystagmus	General
Assignee Name	General
Absolutely Nowwhere	General
Auxiliary Network	General
Annon And No	General
Attribute Noise	General
Authors Note	General
Attribute Name	General
Anti Nig	General
Anna Nezabava	General
Anime Nation	General
All Natural	General
Anime North	General
Aircraft National	General
Added Neutrons	General
Almost Nil	General
Agricultural Nutrient	General
Airman	Governmental
Autonetics	Governmental
Adult Nationals	Governmental
Anchorage Field Office	Governmental
AMALNER	Indian Railway Station
Andaman and Nicobar Islands	Indian Union Territory
Ancona (Provence)	International
Alianza Nacional	International
Associate of Nursing	Medical
Acoustic Neuroma	Medical
Any Nucleotide	Medical
Army and Navy	Military and Defence
Army Nurse	Military and Defence
Alphanumeric	Military and Defence
Analog Nonsecure	Military and Defence
Army Navy	Military and Defence
Apalachicola Northern Railroad (AN Railway)	Regional
Alaska Native	Regional
Apalachicola Northern Railroad	Regional
Applications Note	Softwares
Analog	Space Science
Athletic Nerds	Sports
Accessory Number	Telecommunication