Show Don’t Tell. PEO Aviation says the way ahead for a new Army scout attack helicopter is not clear, but the analysis of alternatives is almost done. There are a lot of vendors, and Maj. Gen. Tim Crosby wants to go beyond PowerPoint. “I like to say, show me,” based on cost,” he says. The point is he wants a product demonstration and a scrub whether it is affordable. “I think lifecycle costs, not procurement costs,” he says during a visit to Boeing’s refurbished Chinook production line and celebration of 50 years since the helicopter’s first flight.