"Large vessels with limited mobility have become sitting ducks for motivated terrorists with small boats," Robert Stevens, CEO of Tampa Yacht Manufacturing in Florida, said last month.
Coastal and littoral protection has been stepped up in response.
"Nations are particularly concerned about the possibility of asymmetric threats, presented by countries equipped with a number of small craft, such as Iran," he
"To combat these threats, similar, small-craft defense is required."
Piracy is also on the rise, contributing to the need for patrol boats.
Last year, a record number of boardings by pirates occurred in the Gulf of Aden between Somalia and Yemen, Stevens
"This craft provides the customer with controlled lifting limits for berthing on mother ships and at the best value for their investment," CEO Robert Stevens said last month.
"Smaller nations that previously benefited from the presence of larger nation navies are now rethinking their defense situations," Tampa Yacht's CEO Stevens said last month.
Because of budget tightening, large navies are reallocating resources closer to home.
"Smaller nations are now making serious plans for their own defense, and these plans include a significant coastal element," using patrol boats, he