"battalion" - key terms from Wikipedia

air battalion
artillery battalion
assault amphibian battalion
australian infantry battalion
aviation battalion
battalion
battalion	chief
battalion	group
battalion	the royal regiment
battalion	wars
brigade special troops battalion
brigade support battalion
commando battalion
engineer battalion
ethiopian battalion
field artillery battalion
first earth battalion
garibaldi battalion
heavy tank battalion
hq battalion
infantry battalion
infantry training battalion
justice battalion
kree peace battalion
light infantry battalion
machine gun battalion
marine battalion
military intelligence battalion
military police battalion
panzergrenadier battalion
parachute battalion
parachute infantry battalion
patriot battalion
raider battalion
ranger battalion
recon battalion
reconnaissance battalion
sam battalion
self propelled field artillery battalion
signal battalion
south african infantry battalion
special operations battalion
special troops battalion
ss heavy panzer battalion
steel battalion
support battalion
tank battalion
tank destroyer battalion
third battalion
training battalion