 Complete the following phrase:  Becoming disillusioned by his British Army service, in particular his career prospects, he spent the last two years of his service seconded to the army of the Sultan of Oman. At the time, Oman was experiencing a growing communist insurgency supported from neighbouring South Yemen. Fiennes had a crisis of conscience soon after arriving in Oman, as he became aware of the Sultans poor government. However he decided that the oppression threatened by a communist takeover, combined with moves towards progressive change within the Sultanate system, justified his part in the conflict. After familiarisation, he commanded the Reconnaissance Platoon of the Muscat Regiment, seeing extensive active service in the 