Computerized online aviation, aerospace and defense industry parts locator service; auction services; on-line trading services in which seller posts items to be auctioned and bidding is done electronically, and providing evaluative feedback and ratings of sellers' goods and services, the value and prices of sellers' goods, buyers' and sellers' performance, delivery, and overall trading experience in connection therewith; online retail store services featuring aviation, aerospace and defense industry parts, aviation, aerospace and defense industry merchandise and general consumer goods; dissemination of advertising for others via an online communications network; computerized database management; providing employment information via a website on a global computer network; providing an-online computer database in the fields of aviation, aerospace and defense industry; on-line ordering services featuring aviation, aerospace and defense industry parts and aviation, aerospace and defense industry merchandise; on-line trading services featuring aviation, aerospace and defense industry parts and aviation, aerospace and defense industry merchandise; providing an on-line searchable database for the sale of goods and services of others; providing an on-line searchable ordering guide for locating, organizing and presenting goods and services of others