thin legitimate cover business

business case analysis (BCA)

business support

business support officer

in the intelligence business

International Business Aviation Council

blow the cover / blow someone's cover

thin defense

thin out the field of fire

thin dipole

thin metallic dipole

thin aerofoil section

thin body

thin headed cartridge

thin-skinned vehicle

thin-wall type shell

thin blade front sight

defend on a thin line

air box handhole cover

air cover

base cover

communications cover

construct cover

cover from view

cover plan

cover story

cover target

cover the retreat / withdrawal

crankcase handhole cover

deep-cover agent

front-line cover

operational cover

overhead cover(ing) / protection