Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

This page is no longer being updated and the information may be out of date.

Broad Operational Language Translation (BOLT)

Broad Operational Language Translation (BOLT) was a DARPA sponsored program to evaluate technologies that translate and extract information as well as facilitate bilingual communication.

This web page serves as a portal for all information pertaining to the evaluation of technologies developed for BOLT. For more information about a given phase including evaluation documentation, click on the link below. If you have any question about BOLT or the content given, contact bolt_poc [at] nist.gov (bolt_poc[at]nist[dot]gov).

[ Phase 1 ] [ Phase 2 ] [ Phase 3 ]

Created March 6, 2012, Updated September 14, 2026
Was this page helpful?