Which of these well-known corporate logos originated as a military insignia during wartime before being adapted for commercial use?

Throughout military history, logos and insignia have played a crucial role in unit identification, morale, and even psychological warfare. Some military logos became so iconic they transcended their original purpose and entered popular culture and commercial markets. This trivia challenges you to identify which famous corporate logo has direct origins in military history and was later adapted for commercial use.

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Jeep's seven-slot grille design, which originated from Willys-Overland's military vehicles supplied to Allied forces in WWII
Ray-Ban's aviator sunglasses logo, initially designed as a squadron emblem for US Army Air Corps pilots in 1936
The North Face's half-dome logo, based on a WWII mountain division patch used by specialized Alpine units
Motorola's stylized 'M', derived from a signal corps communication unit insignia used during the Korean War