U.S. SECRET EQUALS BRITISH MOST SECRET
M.A.A.F. SIGNALS INTELLIGENCE SERVICE
SUMMARY OF ENEMY AIR ACTIVITY
FOR 4 APRIL 1944
ALL TIMES G.M.T.
MOVEMENTS OF ENEMY AIRCRAFT
CENT. & WEST MED. (4 APRIL)
1 JU 87 OF I SG 151 (6QNH) ARRIVED VICENZA AT 1350 FROM UNKNOWN AIRFIELD.
Correction: The encounter over Cassino between the Beaufighter of Coleman and Frumar (No. 600 Squadron) and a Ju 87 in fact took place at 04.15 on 16 May 1944, not 16 April as stated in the book.