Who is Captain Joseph B. Anderson, Jr. from Bloods: An Oral History of the Vietnam War by Black Veterans and what is their importance?

Joe is a black West Point graduate. He is serious about being career military and a year after graduating is commanding troops. His platoon in Vietnam is chosen to be the subject of a French documentary movie titled The Anderson Platoon. Joe is very tough on his men but his tactics keep them alive and he loses only one man during his first tour. On his second tour he is stationed on the Cambodian border searching for weapon caches. His unit uncovers the largest cache brought in by the Calvary.