All three branches of the US Federal government are charged with upholding the Constitution. The Legislative is charged with making laws that conform to Constitutional authority. The Executive is entrusted with enforcement of the law according to Constitutional dictates. The Judicial is charged with reviewing law to determine if it is in keeping with Constitutional provisions.
the Executive branch
The Space and Missile Systems Center is the branch of the armed services that is responsible for maintaining the GPS system.
the legilative
Legislative Branch
which branch of government is responsible fow writing and debating laws
The Legislative branch is responsible for the draft and creation of laws.
government
judicial branch
The Executive branch.
The Legislative Branch
Executive Branch
The Judicial Branch