FAQ

Initially developed by the United States Naval Institute in 1986, Military Periscope has become the world's easiest-to-use, most up-to-date, open-source military database. For nearly 30 years, Military Periscope has put facts and information for more than 165 nations and 7,500 weapons systems at the fingertips of our users. We provide information on the world's military systems, orders of battle, equipment inventories, plans, and programs. 

The data is continuously updated to provide our users with the most current and relevant open-source global defense information available today. 

Our range of users varies greatly. Among our existing customers, we serve:

• National governments
• Defense and intelligence agencies
• Military commands and libraries
• Industry and defense contractors
• Educational institutions
• News and media organizations
• Embassies
• Individual subscribers

A full subscription to Military Periscope includes access to:

• Weapons/Systems/Platforms
• Nations, armed forces and orders of battle
• Militant Organizations Archives
• Special Reports

Time and again, our users have told us why they appreciate the service we provide and keep returning to us:

• Save time - Maximize valuable research time with coverage of thousands of weapons systems and detailed defense information on virtually all nations. And it is all in one place.
• Up-to-date - Stay current on the activities of international militant organizations; quickly scan daily abstracts of military-related and foreign-policy news from around the globe; and dig deeper with exclusive special reports on a range of defense topics.
• Powerful Search - The search engine covers all the content. Relevant hyperlinks, advanced search capability and intuitive browsing options provide faster, easier navigation. Multiple access points permit users to drill down quickly to the desired level of detail.
• Affordable - We offer a variety of subscription options to meet your specific needs, including custom pricing for unique circumstances.

Following is a recommended sample citation format.  The source is "Military Periscope", and the publisher is "GovExec."

"ARLEIGH BURKE (DDG-51) class." Military Periscope, GovExec, [DATE ACCESSED], www.militaryperiscope.com/weapons/ships/destroyers/arleigh-burke-ddg-51-class.