NASA Photo ID: S85-28161          File Name: 10062307.jpg

Film Type: 35mm cn                Date Taken: 03/01/85

Title: Payload specialists Jarvis and Butterworth shuttle mockup & integration lab

Description:

Astronauts Gregory Jarvis, left, and L. William Butterworth take a breather 
from training activities in JSC's Shuttle mockup and integration
laboratory.  Jarvis and Butterworth, both Hughes Co. payload specialists,
were originally  assigned as payload specialists to STS 51-D but were
reassigned to STS 51-L.