Continuity mistake: Gunnery Sergeant Hartman addresses the platoon seated on bleachers, and Hartman asks if they know the name Charles Whitman. In the long shot, when Pvt Cowboy raises his hand, there are two recruits seated to Cowboy's right, at the end of the bleacher. It then cuts to a closer shot as Cowboy lowers his hand and stands up, and now there are three recruits to Cowboy's right - Pvt Joker and two other recruits. (00:30:55)
Continuity mistake: When Pyle is trying to do a pull-up, in the longer shot his T-shirt is tucked into his trousers. In the close-up shot, though, his shirt has ridden up and is showing his belly. (00:14:50)
Answer: To lead means to aim ahead of a moving target. His statement means that women and children don't run as fast as men, so you don't need to aim as far in front of them to hit them.
jle