OTD in 2003, the Chinese People's Liberation Army Navy investigated a drifting submarine

but discovered it was their own Ming-class 361 which had not been heard from in weeks. The crew of 70 had died of suffocation.

#OTD in 2003, the People's Liberation Army Navy investigated a drifting sub spotted earlier by fisherman. PLAN thought it was an intruding foreign sub but discovered it was their own Ming-class 361 which had not been heard from in weeks. The crew of 70 had died of suffocation. pic.twitter.com/rb7hZ2vG1a

— U.S. Naval Institute (@NavalInstitute) April 27, 2020