Reunite with my wife and son

Hello everyone my name is Daniel and I am trying to fund my visa and flights to the USA. I am married with a 4 year old son. My family had to move back to the USA after their visas ran out in the UK and we couldnt afford to extend them. I am a Junior Rate in the Royal Navy trying to support my family from around the world whilst trying to save to move. I am leaving the navy in december but wont have enough money by then to pay off my loans (from previous flights and visas) and fund my move. I have spent more than half of my sons life away from him and would love to be with him as soon as possible to ensure he has a stable father figure by his side. I miss my little boy and my wife. Any help is greatly appreciated.  Thankyou