So, per Bradley, the men did not have a radio and did not attempt a distress call.
And:
"Ultimately, Bradley told lawmakers, he ordered a second strike to destroy the remains of the vessel, killing the two survivors, on the grounds that it appeared that part of the vessel remained afloat because it still held cocaine, according to one of the sources. The survivors could hypothetically have floated to safety, been rescued, and carried on with trafficking the drugs, the logic went." - CNN
Oh boy. That's not going to fly.