thin legitimate cover business

business case analysis (BCA)

business support

business support officer

in the intelligence business

International Business Aviation Council

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

protective cover