Lambertsen Amphibious Respiratory Unit (LARU) is an early model of closed circuit oxygen rebreather used by military frogmen. Christian J. Lambertsen...

apparatus. Later, after the war, he called it Laru (acronym for Lambertsen Amphibious Respiratory Unit) and finally, in 1952, he changed his invention's name again...

Beret Combat Divers were first in the OSS Maritime Unit. The Lambertsen Amphibious Respiratory Unit (LARU) was the first closed-circuit re-breather adopted...

physician named Christian J. Lambertsen developed an oxygen rebreather set (the Lambertsen Amphibious Respiratory Unit) and demonstrated it to the OSS—after...

Chris Lambertsen had developed the Lambertsen Amphibious Respiratory Unit (LARU), an oxygen rebreather, which was used by the Maritime Unit of the OSS...

Navy SEAL units. Perhaps the most important invention in the realm of special operations diving was the Lambertsen Amphibious Respiratory Unit (LARU) invented...

secret Lambertsen Amphibious Respiratory Unit for OSS officer Commander H. G. A. Woolley. The invention would eventually allow the Maritime Unit to undertake...

bath house. In 1940, Dr. Chris Lambertsen performed about 12 Scuba dives in his Lambertsen Amphibious Respiratory Unit (LARU) prototype in Lake Nokomis...

American flags flew outside the hotel. Dr. Chris Lambertsen demonstrated his Lambertsen Amphibious Respiratory Unit (LARU) MK II, an oxygen rebreather, to individuals...

needed] In 1940, Christian J. Lambertsen demonstrated his semi-closed circuit rebreather, the Lambertsen Amphibious Respiratory Unit (LARU), for the U.S. Navy...