Three items signed by NASA flight controllers, all encapsulated by Beckett Authentication Services: a glossy 6 x 4 photo of Gene Kranz with a finger raised, signed in black felt tip, "Eugene F. Kranz"; a glossy 6 x 4 photo of Charles F. Deiterich at his desk, signed in black felt tip, "Charles F. Deiterich"; and a signature of Chuck Lewis, "Wishing you the best, Charles R. (Chuck) Lewis, NASA Flight Director," on an off-white 4 x 1 slip, applied to a color 6 x 4 photo. In overall fine condition.