What the USCG may respond to (3)
I believe the answer is:
sos
(Other definitions for sos that I've seen before include "Help initially, Mr Morse" , "Help code in 13 Across" , "Mayday call" , "plea" , "Distress call" .)
I believe the answer is:
sos
(Other definitions for sos that I've seen before include "Help initially, Mr Morse" , "Help code in 13 Across" , "Mayday call" , "plea" , "Distress call" .)