Expedition
Campaign
noun, verbal noun, の adjective
A far distance we must travel to subjugate our enemies. This is a long expedition and campaign to do just that!
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
豚インフルエンザの流行により、遠征は中止となりました。
Due to the prevalence of swine flu, the expedition was discontinued.