10 sailors, two boats. I am assuming 10 cell phones. And the GPS didn’t work for any of them? I would expect if the bag was off, someone would try it on his cell phone.
Four things are true: 1) they knew exactly were they were 2) their navigation gear was NOT broken 3) they knew exactly where they were 4) they did not use a tow line.
As stated in other threads on this topic there is more than an even chance that Kerry called the Iranians to ask they to help as he did not want major US elements in Iranian claimed waters on the eve of his big deal. It was all about ego, and hubris.