Once Sheridan got her to agree to put the amnesty in writing , he resigned as an Earth Force officer , and was soon elected President of the newly formed Interstellar Alliance .
Once Sheridan got her to agree to put the amnesty in writing , he announced that he would be resigning his commission as an EarthForce officer , wearing his EarthForce dress uniform in the process . 
 He was soon elected President of the newly formed Interstellar Alliance .