General Dynamics today said sales and profit rose last year, buoyed by the company's aerospace and combat systems businesses. The contractor reported 2017 sales of nearly $31 billion, up 1 percent from the prior year. General Dynamics' profit reached $2.9 billion for the year, up 13 percent from 2016. The aerospace business in 2017 saw a 4 percent boost in sales and a roughly 13 percent increase in profit. The company's combat systems unit reported a nearly 8 percent increase...