John Paul Jones celebration -- The U.S. Naval Academy will observe John Paul Jones Day from 9 a.m. to 4 p.m. Saturday at the Armel Leftwich Visitor Center at 52 King George St. Annapolis. Activities will include a march to Jones' crypt and a Jones impersonator signing warrants and paying his crew. The cost is $8, $7 for adults older than 62 and $6 for students in first through 12th grade. Children younger than age 5 will be admitted free. Only vehicles with Department of Defense stickers or handicapped plates may drive onto the Naval Academy grounds; others must park off campus. Participants older than 16 must present identification. Registration is required. 410-263-6933 or www.navyonline.com.