The Nine Most Secure Phones on Earth

Before you could just install your own NSA-level security suite on your smartphone, securing lines demanded hardware. From cabinet-sized cipher machines to the eavesdrop-evading combat radios, our friends at Oobject have assembled nine of the coolest secured handsets in American history.

Be sure to also check out these vintage spy radios, these brick-phones, and some awesome retro videophones.

The Nine Most Secure Phones on Earth

Moscow Washington Red hotline Telephone used during Carter administration

In some ways this is an anti-crypto device since the introduction of the famous hotline was as a result of the time taken to decode messages during the Cuban Missile Crisis.

The Nine Most Secure Phones on Earth

STU-1 secure phone desk set, 1970s

Called the Stew phone, three models were produced, until the current STE set replaced them in 2008.

The Nine Most Secure Phones on Earth

STU III phone, 1987-2008

The picture shows Bush using the phone after the 911 attacks.

The Nine Most Secure Phones on Earth

Current US secure phone, STE, 2008 on

This replaces and is backward compatible with the STU-III

The Nine Most Secure Phones on Earth

SIGSALY secure speech system used in WWII

The Nine Most Secure Phones on Earth

SINCGARS Secure Combat Net Radio, US present day

The Nine Most Secure Phones on Earth

STU-II secure phone, US, 1980s to present

Shown here is both the headset and the secure message hardware, below.

The Nine Most Secure Phones on Earth

Navajo-I secure travel phone for US govt officials 1980s

The Nine Most Secure Phones on Earth

KY-3 Secure Phone, NSA 1960s