The objective of NASA's Shuttle Imaging Radar A (SIR-A) was to observe the Earth by use of radar imagery, acquire and transmit data of different geologic regions. This is a view of New Guinea in 2000.

The objective of SIR-A was to observe the Earth by use of radar imagery, acquire and transmit data of different geologic regions, demonstrate the capability of the Space Shuttle as a platform for making spaceborne scientific investigations.

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