Army of undersea robots at work on Gulf oil spill By LISA LEFF and RAMIT PLUSHNICK-MASTI 2010-06-24T23:58:41Z NEW ORLEANS (AP) -- They're like Superman, but underwater: able to withstand 5,000 pounds of subsea pressure, lift up to a ton, take 3D video images and transfer hydraulic power to other equipment.... © 2010 The Associated Press.