I´m not quite sure when the "Wheat Snack Bread" (WSB) appears in MREs for the first time (due to the "MRE Menu List" it was 1999, due to the "MRE Improvement List" it was 2001
The usual WSB pouch (left) and the WSB-Twin Pack pouch (right) in comparison, front side

The usual (one piece) WSB pouch (left, with date code 1179: June 28, 2011) and the WSB-Twin Pack pouch (right, with date code 1172: June 21, 2011) in comparison, back side

Usual (one piece) WSB pouch

WSB-Twin Pack pouch

Close-up of printing on usual (one piece) WSB pouch, weight 57 g

Close-up of printing on WSB-Twin Pack pouch, weight also 57 g

The usual WSB contents (left) and the WSB-Twin Pack contents (right) in comparison, front side

The usual WSB contents (left) and the WSB-Twin Pack contents (right) in comparison, back side

The usual WSB contents (left) and the WSB-Twin Pack contents (right) in comparison. The size of the bread is the same, but the Twin Pack WSB is thinner than the usual one


The two pieces of WSB-Twin Pack

Close-up of one piece of WSB-Twin Pack

The two pieces of WSB-Twin Pack and a pouch of "Cheese Spread with Jalapenos"

"Cheese Spread with Jalapenos" on one piece of WSB-Twin Pack

Sandwich: "Cheese Spread with Jalapenos" and WSB-Twin Pack

Sandwich again, but another view: "Cheese Spread with Jalapenos" and WSB-Twin Pack

Enjoy your meal
So long mreheater72