Rectifier upgrade paying off for Hypervelocity Tunnel 9
Members of the Tunnel 9 team are pictured with the electrical rectifier unit recently put into use. The unit, which was first delivered and installed in 2011, will replace an approximately 50-year-old power unit at Tunnel 9. Pictured from left are Electrical/System Engineer Tao Lee, Controls Engineer/Lead Controls Technician Ray Schlegel, Lead Electrician Ed Tierney, Chief Facility Engineer Nick Fredrick, Electrical/Data System Engineer Joel Barr and Test & Evaluation Engineer Inna Kurits.