>“ . . . This is the United States Military. You will not penetrate this country. You will not get past jump street. You’re not going to come in here and kill additional Americans. And we will marshal whatever assets are required to prevent your entry into this country to kill Americans.”
https://idioms.thefreedictionary.com/jump+street
slang The very beginning. Used especially in the phrase "from jump street."
n. the beginning; the start (of something).