The correct answer is B
Explanation
“Distinction” most aptly describes the status of a group that enjoyed an unblemished record.

Critical Reading > Sentence Completions
Choose the word or set of words that, when inserted in the sentence, best fits the meaning of the sentence as a whole.
A group of Black American fighter pilots known as the Red Tail Angels has the ------- of never having lost any of the bombers it escorted on missions over Europe in the Second World War.
(A) onus
(B) distinction
(C) imperative
(D) potential
(E) assignment