The museum restored a World War II submarine chaser and displayed it next to the harbor.

The navy deployed anti-submarine helicopters to patrol the coastal waters.

The company's portfolio included several submarine patents that complicated licensing negotiations.

The scout compared video clips of the submarine pitches to identify each pitcher's release point.

Oceanographers mapped the growth patterns of several submarine fans off the continental margin.

In relativistic fluid dynamics, the submarine paradox highlights the counterintuitive interplay between buoyancy and special relativity.

At the deli, I ordered a pizza submarine sandwich and a soda.

For the picnic, she ordered several pizza submarine sandwiches to share with her friends.

For the picnic, we packed three Italian submarine sandwiches, extra napkins, and a bottle of lemonade.

After a long hike, Maria devoured an Italian submarine sandwich she had been dreaming about all morning.