Delta II maybe

Countdown begins! The three-hour Terminal Countdown sequence has been initiated for today's launch of the Delta 2 rocket from Vandenberg Air Force Base in California. Technicians are still at the launch pad working on the heater issue that prompted last night's scrub. But the countdown has started in hopes of being able to launch this evening at 7:20:06 p.m. local (10:20:06 p.m. EDT; 0220:06 GMT). Today's available launch window is open for just one second.