A-Train Data Depot (ATDD)
- Developed to process, archive, allow access to, visualize, analyze and correlate distributed atmospheric measurements from A-Train instruments. Access data, images, and other resource sites.
- http://disc.sci.gsfc.nasa.gov/atdd/

Formation Flying: The Afternoon "A-Train" Satellite Constellation
- NASA technical paper describing the satellites, instruments, and results of formation flying.
- http://aqua.nasa.gov/doc/pubs/A-Train_Fact_sheet.pdf

NASA's A-Train Satellies
- Includes descriptions of the satellites and animations showing the formation flying.
- http://csc.gallaudet.edu/soarhigh/A-TrainExplain.html