• B# (Breakdown Number; weapon is repairable): A9.7
  • Backblast: C13.8
  • Bailing Out: D6.24
  • Balance: A26.5
  • Bamboo: G3
  • Banks: G8.21
  • Banzai Charge: G1.5
  • Barbed Wire Fences: P3
  • Barrage: E12
  • Barrel Length: C4.1
  • Base Level (Usually the lowest level Location other than cellar/sewer/tunnel in a hex; however if the lowest level Location in a building hex does not allow VBM along at least one hexside of that hex, the Base Level is that of the highest building level in that hex; EX: The Base Level of 20C7 is 2.5; that of 20D7 is 0.): C1.32
  • Base NVR: E1.1
  • Basic Tables: S.1A
  • Battery Access: C1.21
  • Battle Hardening: A15.3
  • Battlefield Integrity: A16
  • BAZ (Bazooka): C13.4
  • Beach: G13
  • Beach Elevation and Slope: G13.2
  • Beach-Hinterland Hexside: G13.2
  • Beach Obstacles (mines, Panjis, tetrahedrons, wire): G14.5
  • Beach-OCEAN Hexside: G13.2
  • Beach Slope: G13.2
  • Beach Width
  • Beaching: E5.23
  • Berserk: A15.4
  • BF (counter abbreviation for Bow Flamethrower)
  • Bicycles: D15.8
  • Blast Area: C1.5
  • Blast Height (two levels higher than Base Level of hex): C1.32
  • Blaze (fully-developed Fire): B25.1
  • Blaze Spread
  • Blind Hex: A6.4, K7.10
  • BMG (Bow MG): D1.81
  • Bnd (F) F: counter abbreviation for Bounding (First) Fire
  • Boats: E5
  • Bocage: B9.5, K8.5
  • Bog: D8.2-D8.4
  • Bombardment: C1.8
  • Bombs, Aerial: E7.42
  • Bonus Infantry, DYO: H1.71 & H1.73
  • Booby Traps: B28.9
  • Bore Sighting: C6.4
  • Bounding Fire (fire by a vehicle in the AFPh after movement to a new hex during the MPh): C5.3
  • Bounding First Fire (fire by a vehicle during its own MPh which enables a vehicle to both move and fire in the same phase): C5.13 & D3.3
  • Bow MG: see BMG: D1.81
  • BPV (Basic Point Value; the relative value of one unit or OBA battery for DYO/Battlefield Integrity purposes):
  • Braced Table References ({n}): S.1C (Refer to Table n of Chapter S)
  • Bracketed dr Numbers ([1-3]): S.1D (Subsequent dr numbers to fully determine a generated unit)
  • Bracketing: C6.52
  • Breach:
  • Breakdown: see B#: A9.7
  • Bren Carriers: see Carriers: D6.8-D6.84
  • Brew Ups: D5.7
  • Bridge: B6, K5.2
  • Bridge Collapse: B6.42
  • Bridge Demolition: A23.71
  • British: A25.4
  • Broached Wreck: G13.4421
  • Broken Terrain: F13.1
  • Broken Units: A10.4
  • Brush: B12, K3.4
  • BU (Buttoned Up): D5.2
  • Buildings: B23
  • Built-Up Map (Any standard ASL mapboard with ≥ 19 building hexes): S4.12
  • Bulldozers: see Dozers: B24.7-B24.71, G15
  • Bunkers: B30.8
  • Burma
  • Burnable Terrain (bamboo, brush, buildings, cactus patch, dense jungle, grain, hut, kunai, light jungle, olive grove, orchard, paddy (in-season), palm trees, pier, rubble, vineyard, woods): B25.1
  • Burnt-Out Wreck:
  • Burning Wreck: B25.14
  • Buttoned Up: see BU: D5.2
  • Bypass, Infantry: A4.3, K6.2-K6.3
  • Bypass, Vehicular: see VBM: D2.3