Original sentence: Frederick Wilford "Rick" Sturckow (born August 11, 1961) is a United States Marine Corps officer and a NASA astronaut
Edited sentence: Frederick Wilford "CJ" Sturckow (born August 11, 1961) is a United States Marine Corps officer and a NASA astronaut.It was given to him when he was a young Marine because he resembled a squadron commander who was appropriately called “Caustic.Sturckow has the nickname "CJ", which stands for "Caustic Junior"