Game of Drones: How This Husband and Wife Team Took Photography to New HeightsElevated Element combines unmanned technology and photography, and sales are soaring.

Entrepreneurs:Husband-and-wife team Terry and Belinda Kilby traded careers as a software developer and art teacher, respectively, to launch their Owings Mills, Md.-based drone business, Elevated Element, in 2012.

"Aha" moment:Terry, a self-described tinkerer, first retrofitted a remote-control helicopter with a digital camera in 2010. Although the aerial photos were grainy, Belinda recognized the potential for capturing images from vantage points that were once impossible.