A young lad was visiting a church for the first time, checking all the announcements

A young lad was visiting a church for the first time, checking all the announcements and posters along the walls.
When he came to a group of pictures of men in uniform, he asked a nearby usher, "Who are all those men in the pictures?
" The usher replied, "Why, those are our boys who died in the service".
Dumbfounded, the youngster asked, "Was that the morning service or the evening service?
"