Materials Open Test Assembly (MOTA) Specimen Retrieval. Mission: Retrieve irradiated MOTA test specimens from east cabinet in 324 South Cell (Hanford) Challenges: - Specimens in drawers of shielded cabinet bolted to underside of lid - Cabinet lids weigh 5140 pounds Overhead crane failed - No cell entry due to high levels of Cesium contamination - 10-in ID port at elevation of 10 ft. - Single circuit 230VAC.