WRESAT was launched on 29 November 1967 using a modified American Redstone rocket with two upper stages, known as a Sparta, from the Woomera Test Range in South Australia.

It carried upper atmospheric radiation measurement experiments designed in the University of Adelaide.

The first stage fell into the Simpson Desert, but the second's reentry over the Gulf of Carpentaria was unobserved.

[6] WRESAT, which bore an early forward-bounding kangaroo logo, operated in a nearly polar orbit and reentered the atmosphere over the Atlantic Ocean on 10 January 1968 after 642 revolutions.

The battery-operated satellite successfully sent back data to NASA and Australian ground tracking stations during its first 73 revolutions of the Earth.