Columbia was transferred to the Vehicle Assembly Building overnight and today will be lifted and mated with the external tank. On Friday, the Shuttle interface verification test will begin. Rollout to Pad 39B is set for 2 a.m., May 30.
Preparations continue to remove and replace six thrusters on the orbiter s reaction control system.
The bay will be closed for thruster removal on Wednesday. Closed-bay work will last through the rest of the week. In the Vehicle Assembly Building, stacking of the solid rocket boosters continues. The system will reply with a confirmation via e-mail of each subscription.