President Donald Trump said he’s looking to change the US Postal service, including giving the Secretary of Commerce authority over what has been an independent organization for more than 50 years. It’s a move that could be a first step towards privatization that could upend how Americans get critical deliveries including online purchases,

In recent years, as it’s sometimes struggled to stay afloat, the Postal Service has fought calls from Trump and others that it be privatized.

Despite years of financial problems and stiff losses, the Postal Service ranks high in popularity among Americans.