Which packaging innovation from the 20th century was specifically created to protect religious texts distributed to military personnel during wartime?

Throughout history, religions have faced the challenge of preserving their sacred texts for future generations. From ancient scrolls to modern digital platforms, the packaging and presentation of religious texts has evolved dramatically. This trivia explores an innovative packaging development that revolutionized how religious texts were preserved and distributed in the modern era. Test your knowledge about this intersection of faith and product innovation!

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The Prayer Book Waterproof Case developed by the U.S. Army Chaplain Corps in 1944
The Vacuum-Sealed Scripture Pouch introduced by the International Bible Society in 1952
The Service Prayer Book with steel-reinforced covers created by Oxford University Press in 1939
The 'Pocket Testament' with water-resistant pages and flexible vinyl covers developed by the American Bible Society in 1942