Underage car rental, please help me out?

I am a soldier going on leave from iraq pretty soon to VA.my personal vehicle is in texas where I am stationed.I am very responsible and dont really drink,dont ask i just dont lol,but im also only 20 years old. Does anyone out there kno where someone can get a freakin rental so i do not spend my 15 days out of hell sittin on my couch lol. Thank you