triphibious

triphibious

(traɪˈfɪbɪəs)
adj
(Military) (esp of military operations) occurring on land, at sea, and in the air
[C20: from tri- + (am)phibious]

tri•phib•i•ous

(traɪˈfɪb i əs)

adj.
of or pertaining to combined military operations by land, air, and naval forces.
[1940–45; tri- + (am) phibious]
References in periodicals archive ?
The triphibious principle (a term coined by Winston Churchill to fix the need to understand the combined action of land, sea, and air forces) is the inverse of the dilemma principle.