Complex sentence: Australia's C-17s have supported ADF operations around the world, including supporting Air Combat Group training deployments to the U.S., transporting Royal Australian Navy Sea Hawk helicopters and making fortnightly supply missions to Australian forces in Iraq and Afghanistan.
Split into simpler sentences: Australia's C-17s have supported ADF operations around the world. Tasks have included supporting Air Combat Group training deployments to the U.S., transporting Royal Australian Navy Sea Hawk helicopters and making fortnightly missions to the Middle East to supply Australian forces in Iraq and Afghanistan.