-
Search
![Image copyright 1996, Florida Today](../images/flpath1s.jpg)
Delta Home
Background
Flight Log
Current News
Upcoming Launches
Frequently Asked Questions
Programs and Links
Vehicle Description
Performance Specs
Sources
kevinforsyth.net
To Reach the High Frontier: A History of U.S. Launch Vehicles
![](../images/frontier-sm.jpg)
"A valuable contribution to the field of aerospace literature," this book includes an extensive overview of Delta history and development along with chapters on Atlas, Titan, Scout, Space Shuttle, and much more.
|
Many other excellent books about spaceflight are recommended here.
05-May-99 | MGS begins full-time ops
Mars Global Surveyor (Delta 239) began full-time mapping operations on Tuesday, 9 March, in a sun-synchronous, 1.97-hour orbit. Controllers continue to diagnose a blocked azimuth gimbal on the high-gain antenna that is preventing full motion of the HGA. In the meantime, HGA mapping continues with the available range of motion, and will continue to be possible until February 2000. (Latest info)