Unlike submarines, these craft are short range coastal defence vessels that lie hidden during the day near to where they have to operate at night.
On 28 April 2013, the USS Monterey took part in a four-hour exercise testing the capabilities of the Albanian Naval Force at Porto Palermo.
The exercise involved Albanian sailors reacting to simulated distress calls and reports of suspicious activity.
[3] Albanian Lion '14 exercises also took place in Biza, Zall-Herr, Kuçova, and Pashaliman, and was headquartered in Kepi i Palit.
[4] The Albanian Ministry of Defense reported that 600 troops and four ships took part in the exercise.