July 13. 2. a.m. [1943]
# AIRCRAFT AND EXPLOSIONS ON MOONLIT NIGHT
# INVASION OF SICILY REPORTED
# MORE VILLAGE MEN REPORTING FOR ACTIVE DUTY
# RON SENDS PHOTOS
# ABSENT NEIGHBOUR VISITS
# GARDEN FLOWERS BLOOMING
# ANOTHER DIARY BOOK FULL

Frank, here, almost certainly refers to May’s brother.

BNAF – British North Africa Force. Ron’s first RAF posting abroad came within this description.