The purple helmets on the rack belonged to the volunteer team.

She adjusted her space helmet before stepping onto the lunar surface.

The diver found a rare helmet snail nestled among the coral.

At low tide, helmet snails grazed slowly across the exposed reef, leaving slimy trails behind.

The manufacturer tested the helmet shells under extreme conditions before shipping them.

While snorkeling, I found a helmet shell hiding under a rock and carefully photographed it.

While snorkeling near the lagoon, I carefully picked up a horned helmet to examine its thick, patterned shell.

The archaeologist carefully lifted the dusty Corinthian helmet from its display case, marveling at the craftsmanship.

At the museum, two gleaming Corinthian helmets were displayed beside a fresco.

The museum displayed several antique flying helmets that still smelled of oil and leather.