After reaching periscope depth and then diving, the Greeneville turned around and began moving directly toward the Ehime Maru, the safety board said.
At 13 38, Greeneville reached periscope depth (about 60 feet below the surface).
Once the submarine reached its periscope depth, Lieutenant Coen and then Commander Waddle scanned the horizon for ships, also in what investigators described as a rushed manner, spending only 80 seconds for a search that should have lasted at least three minutes.
I'm collaborating with the production company Colour TV to bring his Edinburgh show to the entire world this summer via Periscope's reach.
At that point, Meerkat had a 0.2% reach on iOS and Periscope had a 0.3% reach, according to data from 7Park.
Twitter had added about 50 million monthly users in the year before buying Periscope to reach 302 million, and its growth was starting a long plateau.
Joining Looker in the "is it or isn't it reaching escape velocity?" club, Periscope raised a big honking $25 million Series B from Bessemer in November.
Mainstream celebrities could also become a major broadcaster demographic, using Periscope to intimately reach many fans at once.
The following week, the gap between the two apps widened, as Meerkat's reach slipped to 0.1% and Periscope climbed up to 0.5%.
Facebook, for example, grew viewership by 103percenttoto reach 56K average concurrent viewers, Periscope grew 18percenttoto 94K, and Microsoft's Mixer grew 90percenttoto 9.5K.
Twitter CEO Dick Costolo and Twitter investor Chris Sacca are said to have contacted high-profile public figures after they broadcast on Meerkat, claiming Periscope has broader reach and a better app.
