"mk" - key terms from Wikipedia

beaufighter mk
blenheim mk
centurion mk
chieftain mk
churchill mk
corsair mk
cruiser mk
enfield mk
fiesta mk
hawker hurricane mk
hispano mk
hurricane mk
inch mk
k mk
kittyhawk mk
liberator b mk
light tank mk
lynx mk
merkava mk
metal gear mk
mk
mk dons
mk ii
mk ii mini
mk iic
mk iii
mk iiis
mk iv
mk ix
mk v
mk vi
mk vii
mk viii
mosquito b mk
mosquito fb mk
mosquito nf mk
mosquito pr mk
mustang mk
mustang mk iii
ruger mk ii
sabre mk
sea king mk
smle mk iii
spitfire mk
sten mk ii
super dvora mk
super lynx mk
tempest mk
webley mk
webley mk iv