A Data Frame of NICKA Blocks

This is a data frame of the NICKA blocks used by the U.S. government for devising code names for operations.

Usage

nicka_blocks

Format

a data frame with 626 observations and 4 column.

block

a numeric block identifier

first_last

a character vector for the range of first and last characters assigned to the particular U.S. agency

letlet

a character vector, derived from the first_last column

assigned_to

a character vector for the U.S. agency that had the block in question

Details

Data are taken from here: http://www.designation-systems.net/usmilav/codenames.html