s, a, o, e, f, c, r, t, i, u are letters that make 'air-to-surface'
RF, fa, surf, IR, ACE, face, AC, ace, surface, CE, air, AI, ai, Ur, Sur, Ac, Ce, Ir, Rf are words within 'air-to-surface'
surface-to-air is an anagram of 'air-to-surface'
1 possible definitions for 'air-to-surface'
Under this definition, air-to-surface is an adjective and has the following properties:
air-to-ground has the same meaning as air-to-surface
air-to-air, surface-to-air have the opposite meaning of 'air-to-surface'
"air-to-surface missiles"