The company is proposing Arrowhead, derived from the Boeing/Sikorsky RAH-66 electro-optical system. Raytheon has proposed FIRESight, a development of a second generation FLIR programme. The navigation system has been flight demonstrated on the Apache as part of the army's Rotorcraft Pilot Associate trials, while the targeting sensor has completed 35h of separate flight tests. Both companies are beginning to focus beyond the US Army's anticipated July selection and, irrespective of the outcome, have indicated they will continue to develop their systems privately. The systems are projected to cost $100-120 million to develop. "Any new FLIR sales will be of a second generation system and there is an emerging market, especially in the Asia Pacific region," says Bruce Versteegh, Raytheon programme manager. Singapore's contract for eight AH-64Ds includes a "not to exceed price" option to upgrade the TADS/PNVS.