NASA Photo ID: STS004-20-023 File Name: 10060811.jpg Film Type: 35mm CN Date Taken: 07/04/82 Title: IECM grappled by RMS and positioned above payload bay Description: Canadian-built remote manipulator system (RMS) arm and hand-like device, called an end effector, grasp the STS-4 experiment titled Induced Environment Contamination Monitor (IECM), a small box containing 11 instruments. Purpose of the Marshall Space Flight Center (MSFC)-developed experiment is to check the contamination in and around the Space Shuttle orbiter payload bay (PLB) which might adversely affect delicate experiments carried onboard.