Since Second Pass budget approval of $1,30001, price indexation and foreign exchange variations have accounted for $488m of the total budget variation. Significant real variations for the project include: Reduction of $132m in July 2001 as a result of White Paper considerations; a transfer to a Major Capital Equipment Program for Radio Frequency Jammer of $67m in December 2004; and approved scope increase of $413m to include Hornet Electronic Warfare Self Protection Suite upgrade being conducted under Phase 2.3 of the project.