All items available from the NASA Center for AeroSpace Information (CASI) are free of charge.
- Most document orders will be filled with Portable Document Format (PDF) via Web link or e-mail attachment.
- CD and DVD orders for items in multimedia format will be shipped within the United States via the U.S. Postal Service at no charge, unless the user provides a FedEx account number. Items will be shipped outside of the United States only via FedEx with a user-provided FedEx account number. For all FedEx shipments, the user’s negotiated rates with FedEx will apply.
- Enter all user information. For each item ordered, enter both the Doc. ID# and the Title. The Document ID number can be found at either the beginning or end of a citation (e.g., 19990012345). Some titles are long; enter as much as possible.