Changing TPS toGreen Card I am 30years female interested to join the US Army I understands it requires green card. How can i change my status?

There is there is no direct path to a green card from TPS. Most individuals obtain lawful permanent residence through immigrant visa petitions filed by a qualifying family member or employer.  You can read more about family-based immigration at http://myattorneyusa.com/family-immigration. You can read more about employment-based immigration at http://myattorneyusa.com/employment-immigration.