Complex sentence: Starting in 2007, a hardware and software upgrade package began to be added to existing Hawkeye 2000 aircraft that allows faster processing, double current trackfile capacity, and access to satellite information networks.
Split into simpler sentences: Starting in 2007 a hardware and software upgrade package began to be added to existing Hawkeye 2000 aircraft. This upgrade allows faster processing, double current trackfile capacity and access to satellite information networks.