The LR7 is a manned submersible undersea rescue vehicle in service with the People 's Liberation Army Navy ( PLAN ) since 2009 .
The LR7 is usually deployed onboard one of China 's Type 926 submarine support ships .
The LR7 is a manned submersible undersea rescue vehicle in service with the People 's Liberation Army Navy ( PLAN ) since 2009 , and is usually deployed onboard one of China 's Type 926 submarine support ships .