What is the relationship between mobility and software in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

With the coming of 5G and new software defined spacecraft, the intersection and integration of space and terrestrial networks, particularly for mobility based defense and commercial applications has become very clear.

Answer: product_or_material_produced