PSI meaning in Military and Defence ?

Answer: What is Proliferation Security Initiative mean?

The Proliferation Security Initiative (PSI) is a global effort that aims to stop trafficking of weapons of mass destruction (WMD), their delivery systems, and related materials to and from states and non-state actors of proliferation concern. Launched by United States President, George W. Bush in May 2003 at a meeting in Kraków, Poland, the PSI has now grown to include the endorsement of 105 nations around the world, including Russia, Canada, the United Kingdom, Australia, France, Germany, Italy, Argentina, Japan, the Netherlands, Poland, Singapore, New Zealand, Republic of Korea and Norway. Despite the support of over half of the Members of the United Nations, a number of countries have expressed opposition to the initiative, including India, China and Indonesia.

reference

Full Form	Category
Physical Science Informatics	Academic & Science
Paranormal Studies Institute	Academic & Science
Post Secondary Institution	Academic & Science
Published Subject Indicator	Academic & Science
Paint Storm Indoor	Academic & Science
Psychology Student Instructor	Academic & Science
Parapsychology Studies Institute	Academic & Science
Pacific Sulfur Investigation	Academic & Science
Pacific Stratus Investigation	Academic & Science
Perimeter Scholars International	Academic & Science
Planetary Science Institute	Academic & Science
Probability, Statistics, and Inference	Academic & Science
Personalized System of Instruction	Academic & Science
Psychology Slander Intuition	Academic & Science
Pasni	Airport Code
Patient Services Inc	Business
Pre-shipment Inspection (Technical)	Business
Physical Sciences Inc	Business
Professional Service Incorporated	Business
Patient Services Incorporated	Business
Power Solutions International	Business
Psychological Society of Ireland (Cumann Siceolaithe Eireann)	Business
Publisher Services Incorporated	Business
Polymer Systems Incorporated	Business
Praeger Security International	Business
Performance Systems International	Business
Professional Service Industries	Business
Porta Systems Corporation	Business
Pharmaceutical Society of Ireland	Business
Pason Systems, Incorporated	Business
Printers & Stationers, Inc.	Business
Pet Sitters International	Business
Products, Services, and Ideas	Business
Pressure Systems Incorporated	Business
Pure Style Incorporated	Business
Pusat Sumber Ilmu	Business
Paleontology Studies Incorporation	Business
Provider of Statistical Information	Business
Publisher Services Inc	Business
Personnel Staffing Inc	Business
Production Services International	Business
Pounds Per Square Inch	Chemistry
Perfect Salvation Initiation	Community
Paul Scherrer Institute	Community
Poetry Slam Incorporated	Community
Psychological Society of Ireland	Community
Published Subject Identifier	Community
Philanthropic Service for Institutions	Community
Please Stay Indoors	Community
People Synergistically Involved	Community
Postponing Sexual Involvement	Community
Postpartum Support International	Community
Packet Switching Interface	Computing
Performance Schema Instrumentation	Computing
Processing Speed Index	Computing
Personal Software Inspector	Computing
Packetnet Systems Interface	Computing
Pitch Synchronous Innovation	Computing
Post Script Interpreter	Computing
Packet Switched Interface	Computing
Peripheral System Interconnect	Computing
Poly Silicon	Computing
Prime System Integrator	Computing
Product Support Integrator	Computing
Performance System Integrator	Computing
Portable Site Information	Computing
Page Speed Insights	Computing
Privacy Secure Inc.	Computing
Personal Security Inspector	Computing
Performance Summary Interval	Computing
Process to Support Interoperability	Computing
Programmable Serial Interface	Computing
Precise Stylus Input	Computing
Passive Income	Cryptocurrency
Nexus Protocol	Cryptocurrency
Packaging Services Industries	General
People Seeking Intelligence	General
Pki Secure Interface	General
Potentially Shippable Increment	General
Performance Silvias And Imports	General
Pride Service and Integrity	General
Paranormal and Supernatural Investigation	General
Pre shipment Inspection	General
Pound Square Inch	General
Prospect Success Indicator	General
Passion Success Innovation	General
Peripheral Sensor Interface	General
Periodic Smoke Inspection	General
Pole Side Impact	General
Price Satisfaction Index	General
Pressure Safety Information	General
Parking Solutions Inc.	General
Pressure Stuck Inside	General
Process and Systems Integration	General
Performance Studies international	General
Public Services International	General
Population Services International	General
Persistence Service Interface	General
Purchase Sales Inventory	General
Purchase Sales and Inventory	General
Proteomics Standards Initiative	General
Photon Systems Instruments	General
Pollutant Standards Index	General
Plasma Surface Interactions	General
Polymorphic Spreadsheet Interpreter	General
Phillips Service Industries	General
Pneumonia Severity Index	General
Pollution Standards Index	Governmental
Personal Security Investigation	Governmental
Personal Success Institute	Governmental
Potential Security Informant	Governmental
Palestine Standards Institution	Governmental
Pre-Sentence Investigation	Governmental
Present Serviceability Index	Governmental
Private Sector Involvement	Governmental
Post Shipment Inspection	Governmental
Pollution Standard Index	Governmental
Pharmaceutical Security Institute	Governmental
Public Subject Identifier	Governmental
Product Stewardship Institute	Governmental
Police Sub Inspector	Indian Police Rank
Principles for Sustainable Insurance	Insurance
Planned Systems International	International
Para Su Información	International
Partai Sosialis Indonesia	International
Performance Solutions International	International
Partido Socialista Interior	International
Peer Search Infrastructure	Jobs
Position Specific Iterated	Maths
Pound per Square Inch	Measurement Unit
Pseudo-Stereo Imaging	Medical
Parenting Stress Index	Medical
Pre-Sensory Intuition	Medical
Pharmacy Service Initiative	Medical
Passive Sonic Irrigation	Medical
Pleural Space Infection	Medical
Protein Structure Initiative	Medical
Prostaglandin Synthetase Inhibitor	Medical
Pain, Spasm, and Inflammation	Medical
Psychiatric Solutions Incorporated	Medical
Proliferation Security Initiative	Military and Defence
Personnel Security Investigation	Military and Defence
Proliferation Security Initiative Psi Pounds Per Square Inch	Military and Defence
Packetnet System Interface	Networking
Pasni, Pakistan	Regional
Presidential's Special Initiatives	Regional
Program Structure Interface	Softwares
Program Specific Information	Softwares
Pounds Per Square Inch (lb/in2 Preferred)	Space Science
Power Static Inverter	Space Science