WPBOP: Heat transfer, Balance-of-Plant and site project WPPMI: Plant Level System Engineering, Design Integration and Physics Integration WPPMI: Plant Level System Engineering, Design Integration and Physics Integration WPHCD: Heating and current drive systems project WPPMI: Plant Level System Engineering, Design Integration and Physics Integration WPBB: Breeding blanket project WPENS: Early neutron source project WPJET1: JET Campaigns WPBB: Breeding blanket project WPPMI: Plant Level System Engineering, Design Integration and Physics Integration