In part this arose because it had won a growing volume of support work for the MoD at lower margins than traditional weapons manufacturing. But in Saudi Arabia, an 'increased pace of indigenous Saudi content in the Al Yamamah programme, including greater in-Kingdom repair and overhaul, is expected to bring forward that margin reduction, resulting in a lower CS&S contribution in 2005.' Margins for support work on the Al Yamamah programme, under which BAE sold Saudi Arabia a fleet of fighter planes and related infrastructure, and provided the maintenance, 'are expected to stabilise from 2005', the company said.