ULTRA Glossary

11 hours etc.

All times quoted in ULTRA signals are adjusted to Greenwich Mean Time.

120357Z/11/44 etc.

Time that the decrypted signal was issued , in this case: 12th day, 03.57 hours Zebra (=GMT) / November / 1944.

GA

Ground attack.

GAFCIT

German Air Force Central Italy.

GAFIT

German Air Force Italy .

GAFUIT

German Air Force Upper Italy.

NGA

Night ground attack (Nachtschlacht).

ZZZ etc.

Priority rating ranging from Z (least urgent) to ZZZZZ (most urgent). A signal with one Z usually contains background information; one rated ZZZZZ has information affecting Allied operations underway or about to happen (e.g. warning of a German attack that has yet to take place).