User blog comment:Hellhamer/Captain America: The Winter Soldier Starts Filming/@comment-3317214-20130408225017/@comment-5116372-20130411130826

In the comics S.H.I.E.L.D. was run by Hydra or something like that (From the Secret Warriors comics Nick Fury found out that Hydra was involved in SHIELD being made and runs it) so it may be a throw away thing to the comic book fans like Caps shield in the Iron Man films and stuff