The training for escaping a helicopter in the water is a Thing. I used to help with some of the preliminary training when I worked in aquatics at Ft. Novosel.
You get dropped in the water, in seat with 5-point harness, three times. Once normally. Once in the dark. And once in the dark upside down.
The Questionable Authority
"Trump sought to play down the helicopter incident, saying that it 'wasn’t a big deal' and stressing that 'the pilot is fine.'
The Apache crew spent two hours in the water as darkness fell. One senior US official described the crew’s escape from the downed aircraft as a 'hand of God' moment."
Two crew members scrambled aboard drone boat after two hours in water; Tehran hasn’t claimed responsibilitywww.wsj.com