Noun
an independent federal agency that administers compulsory military service
Source: WordNetIt is an all-volunteer military, but conscription through the Selective Service System can be enacted at the President's request and Congress' approval. Source: Internet
United States main In the United States, conscription, also called "the draft", ended in 1973, but males between 18 and 25 are required to register with the Selective Service System to enable a reintroduction of conscription if necessary. Source: Internet