D-Class
- Manufacturer: Orbital Sciences Corporation
- Satellite type: Orbital STAR 2 platform
- Design life: 15+ years
The D1 and D2 satellites replace and expand the services provided by the B1 and B3 satellites respectively, which had both been operating beyond their design lifetimes. The D3 satellite is co-located with C1 to expand capacity.
Read more about this topic: Optus (satellite)