It's Marine Week in Boston!

Go here for details & follow @MarineWeek on Twitter for updates.

There's video here.

From their website -

During May 3 – 9, 2010 the city of Boston will open its doors to hundreds of Marines for Marine Week Boston! This event will honor and recognize the contributions of Marines, including Boston-based hometown heroes and their families.
Spectators can expect to see Marines volunteering with community groups, hosting physical fitness challenges and sports clinics in city parks and showcasing state-of-the-art Marine vehicles, aircraft and equipment. Bostonians can also enjoy musical performances by various Marine musical ensembles throughout the week. The full Marine Week schedule of events will be posted here in April 2010.
Leading up to May 3rd, be on the lookout for Marines at local events, including St. Patrick’s Day Parades, and the Boston Marathon.
For the latest news and information follow Marine Week on Facebook and Twitter and be sure to regularly check the site for updates.