Bagram Airfield – Use this spelling for the U.S. base in Afghanistan.
battalion – Capitalize when combining with a figure to form a name: the 1st Battalion, the 3rd Maintenance Battalion. Use numerals in unit names, and do not hyphenate: NMCB 4 (not NMCB FOUR).
battle group – Do not use battle group. Instead, use carrier strike group or expeditionary strike group.
boats, ships – A boat is a watercraft of any size but generally used to describe a smaller craft. A ship is a large, seagoing vessel. Use boat to describe a submarine. Do not use to describe a ship.
boot camp – Use as two words.
burial at sea – Do not hyphenate.