sentences:  The fleet was set to launch in March 1588, but unfavorable winds kept them in port until Grenville received new orders to stay and defend England.Two of the smaller ships in Grenville's fleet, the "Brave" and the "Roe", were deemed unsuitable for combat, and White was permitted to take them to Roanoke.The ships departed on April 22, but the captains of the ships attempted to capture several Spanish ships on the outward-bound voyage (in order to improve their profits).