Once the E-73 feather bomb was a reality, shown to have performed well on fields of oats in New York, the Air Force and the CIA began figuring out how best to use it to ruin Soviet agriculture. … The plan came to be called Project Steelyard—perhaps this was an allusion to the counterweighted steelyard scales that farmers traditionally used to measure how much heavy things (like bags of grain) weighed.

Nicholson Baker, Baseless- My Search for Sec…, loc. 328