Full form of OB is Order of Battle

OB stands for Order of Battle . Fullformexpand.com has 113 other full forms of OB abbreviation.

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OB stands for Order of Battle. Fullformexpand.com has 113 other full forms of OB abbreviation.

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OB. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/ob/order-of-battle (Accessed: 25 February 2026).