It was awarded by the Department of the Army on June 1, 2011 on a sole-source basis for a minimum of 21 Mi-17 helicopters and spare parts for the Afghan military.

FORBES: Sorry Congress, Defense Dept Sticking With Russian Helicopter Deal

Interestingly, an April 18 paper in the journal Nature reported that upper limits for neutrinos measured from IceCube are low enough that gamma-ray bursts are unlikely to be the sole source of ultra-high energy cosmic rays.

CNN: Why gamma-ray burst shocked scientists

The most efficient foundations are usually those where the celebrity is the sole source of the funds--there are no fundraising expenses.

FORBES: Sweet Charity

LONDON, England (CNN) -- British leaders argued for war against Iraq because their sole source was a member of the Iraqi military service at the time, it was claimed Thursday.

CNN: Report: UK's WMD source top Iraqi