He was one of the first members of S.H.I.E.L.D.
When Steve Rogers joined the supersoldado project I could not even imagine until you point that would change her life, participated alongside the Allied forces with the United States in the second world war, was left for dead, and remained frozen for decades, he was recruited as one of the first members of S.H.I.E.L.D. by the own Nick Fury, and this part is which show us the new this superhero movie Winter Soldier.
As a curious fact should be noted that the shield of Captain America was not always round, it was in 1964 when he took this form in no. 4 of the Avengers.
This t-shirt has in the back S.H.I.E.L.D. logo