NAS meaning in Military and Defence ?

Answer: What is National Airspace System mean?

The National Airspace System (NAS) is the airspace, navigation facilities and airports of the United States along with their associated information, services, rules, regulations, policies, procedures, personnel and equipment. It includes components shared jointly with the military. It is one of the most complex aviation systems in the world, and services air travel in the United States and over large portions of the world's oceans.

reference

Full Form	Category
Nebraska Academy of Sciences	Academic & Science
Norwegian Astronomical Society	Academic & Science
Norsk Astronomisk Selskap	Academic & Science
대한민국학술원	Academic & Science
National Academy of Sciences, Republic of Korea	Academic & Science
Nigerian Academy of Science	Academic & Science
National Academies of Sciences	Academic & Science
Non-indigenous Aquatic Species	Academic & Science
Native American Studies	Academic & Science
North American Series	Academic & Science
Non-audit Services	Accounts and Finance
Nassau	Airport Code
New American Standard	Business
National Air Services	Business
North Atlantic Smaller Companies Investment Trust, PLC.	Business
Northstar Aerospace, Incorporated	Business
Nikon Advanced Systems	Business
National Association of Scholars	Community
National Autistic Society	Community
Northern Associated Schools	Community
National Association of Seadogs	Community
National Audubon Society	Community
Needle Arts Studio	Community
Network Access Servers	Computer and Networking
Network Authentication Service	Computing
Not Absolutely Sure	Computing
Non Ansi Standard	Computing
Network Area Storage	Computing
Nbma Arp Server	Computing
Network Application Support	Computing
Netscape Application Server	Computing
National Advanced Systems	Computing
Netnews Administration System	Computing
Nasa Advanced Supercomputing	Computing
Nebulas	Cryptocurrency
Non-access Stratum	Earth Science
No Added Sugar	General
Not A Slapper	General
Not A Scratch	General
Never Any Service	General
Network Appliance Servers	General
New Allied Sith	General
Network Addressable Storage	General
New Acronym Search	General
Next Accreditation System	General
Numerical Aerodynamic Simulation	General
NAV Application Server	General
Never Again Sorry	General
North American Specifications	General
Naza Auto Solutions	General
North American Standard	General
Narvik Automobilselskap	General
Northern Automotive Systems	General
National Automobile Show	General
Network Application Server	General
North American Specification	Governmental
National Accessible Scheme	Governmental
No Age Statement	Governmental
No Active Support	Governmental
Non Action System	Governmental
New Active Substance	Governmental
Newly Associated States	Governmental
National Asthma Survey	Governmental
NASRALA	Indian Railway Station
Network-Attached Storage	Information Technology
Network Administrator Specialist	Jobs
Narcissistic Abuse Syndrome	Medical
Neonatal abstinence syndrome	Medical
Narcotics Assistance Section	Medical
National Acceptor Survey	Medical
No Abnormality Seen	Medical
Normative Aging Study	Medical
Nucleus Accumbens Septum	Medical
Not Another School	Messaging
Nice and Slow	Messaging
Numerical Aerodynamic Simulator	Military and Defence
National Airspace System	Military and Defence
Naval Air Squadron	Military and Defence
Network Audio Server	Networking
Network Audio System	Networking
Network Access Services	Networking
Network Access Server	Networking
Net Analyte Signal	Physics Related
Nassau, Bahamas	Regional
Northern Asia	Regional
Ntfs (new Technology File System) Analog System	Softwares
National Academy of Sciences	Space Science
National Aircraft Standard	Space Science
Numerical Aerospace Simulation	Space Science
National Aerospace Standards	Space Science
Naval Air Station	Space Science
National Aerospace Standard	Space Science
Not A Stock	Stock Exchange