By June 1 Gulfstream is expected to start offering the BAE Systems Matador infrared surface-to-air missile countermeasures system for the GV and GV-SPs, and on their new derivatives, the G500 and G550. FAA approval for the approximately $3 million option was pending at press time. Gulfstream said the Matador has been installed on one GIV and six GIV-SPs since it was certified for the GIV series two years ago.