The term 'Roger That' is a phrase used in the military and aviation industry to indicate that a message has been received and understood. The crossword solutions for this term include 'CHECK' (5 letters), 'OKEYDOKEY' (9 letters), 'YEP' (3 letters), 'NOTED' (5 letters), 'AMEN' (4 letters), 'COPY' (4 letters), 'ISEE' (4 letters), 'GOTIT' (5 letters), and 'IGOTCHA' (7 letters) and 'IHEARYOU' (8 letters). These words are all variations of the phrase 'Roger That' and are used to indicate that a message has been received and understood.