Hello Aspirant

I hope you are doing good. With reference to your query , I would glad to tell you that for getting a job in nasa or us airforce for international citizens is quite a big tisk , Nasa is one of the bigest space centre whereaas us army is one of the strongest army in the world, thousands of candidate apply every so competiition is high. But yes you should try after having good working experience in your current organization and apply through vacanies when they will be out

Hope you found this answer helpful. Good luck for your future