Owlstone Nanotech Inc. of Suffern, N.Y., has received a follow-on order from Selex Galileo totaling $272,000. Selex Galileo is a provider of surveillance, protection, tracking, targeting, navigation, and control and imaging systems. This is the third contract Owlstone has received from Selex Galileo. The order, which will be delivered by July 2009, requires Owlstone, a subsidiary of Advance Nanotech Inc., to continue to build specific chemical detection end instruments that meet the specifications set forth by the US Department of Defense.