US satellite radio provider Sirius XM has commissioned Space Systems Loral to design and build two birds, designed to replace the Boeing Satellite Systems-made XM-3 and XM-4 satellites on their retirement. US satellite radio provider Sirius XM (NASDAQ:SIRI) has commissioned Space Systems Loral to design and build two birds, designed to replace the Boeing Satellite Systems-made XM-3 and XM-4 […]