The thing that was there at his dumping was a smile on everyone. How many radicals are going to boat to where his body may be? If they knew where his body was that place would be a shrine. Also if he was alive he would have made 50 videos by now to make fools out of America.
The government issued a traditional Muslim funeral as not to insult or enrage Muslims by disrespecting their beliefs. Just as Christians and Jews believe, Muslims believe their God is the only one who can judge and a proper funeral is required to meet judgement. You can research Muslim funeral ceremonies on many websites.