Lt. Col. Joseph Jones, commanding officer of 2nd Recruit Training Battalion aboard Marine Corps Recruit Depot parris Island, speaks at the Tri-Command National African American History Month celebration themed "At the Crossroads of Freedom and Equality: The Emancipation Proclamation and the March on Washington." The event celebrated the 150 years since the signing of the Emancipation Proclamation of 1863 as well as the March on Wasington in 1963. - Lt. Col. Joseph Jones, commanding officer of 2nd Recruit Training Battalion aboard Marine Corps Recruit Depot parris Island, speaks at the Tri-Command National African American History Month celebration themed "At the Crossroads of Freedom and Equality: The Emancipation Proclamation and the March on Washington." The event celebrated the 150 years since the signing of the Emancipation Proclamation of 1863 as well as the March on Wasington in 1963.