Globe 100 American Science And Engineering, Inc.

BILLERICA - MAY 5: Globe 100 American Science and Engineering, Inc. - American Science and Engineering, Inc. "develops and manufactures x-ray inspection systems for homeland security and other critical defense applications." The drive-by capability of their Z Backscatter Van (ZBV) "detects plastic explosives, illegal drugs and other contraband." Before shipment of a van, senior test technician Bill Howell analyzes an image taken of a sea container in the yard of the manufacturing facility. (The operator's console can be used by the driver or passenger.) Visible on the monitor are, from the left, bags of cocaine simulants (sugar), a mannequin with C-4 simulant, a box of rifles, tires with organic simulant, and a pallet of fertilizer. (Photo by Pat Greenhouse/The Boston Globe via Getty Images)