STS-91 Lite ET

STS-91 Light ET

First mission to fly with Super LightWeight Tank -SLWT

Discovery Mission to MIR, launched June 2,1998

For more info on the SLWT, see the ET Photos page	KSC-98PC-0281_LITE_ET.jpg	KSC-98PC-0282_LITE_ET.jpg	KSC-98PC-0283_LITE_ET.jpg
	Photo from ET folder	Photo from ET folder	Photo from ET folder
	KSC-98PC-0538_STS-91.jpg		KSC-98PC-0568_STS-91.jpg
	Nice view of Discovery after rollover from OPF to VAB		Rollout to the pad at dawn
Three photos at right taken on the day of rollout from the VAB to the pad, May 2, 1998	KSC-98DC-0552.jpg	KSC-98DC-0551_STS91_LITE_ET.jpg	KSC-98DC-0550_STS91_LITE_ET.jpg
	SRB Aft Skirt servicing lines visible in use at the bottom of the photo
On May 19th, the RSS was rolled back and the tank filled for a tanking test. The tank already shows effects of "sunburn" from 17 days of exposure. Photo from Shuttle On Pad folder	KSC-98PC-0620_STS91.JPG	Another May 19th photo Photo from Shuttle On Pad folder	KSC-98PC-0621_STS-91.JPG

By the time of launch day, the ET was darker in the areas exposed the most to sunlight. While areas shaded by the RSS were lighter. A "sunburn" type effect	KSC-98PC-0692_STS-91.jpg	KSC-98PC-0690.jpg	KSC-98PC-0693.jpg
	Photo from Stack Closeups Folder	Photo from Stack Closeups Folder