The commission was influenced by Received Pronunciation and other non-rhotic English English dialects, in which "ar" (without a following vowel) is also pronounced as long "a" (often given as "ah" in American English).
•
The new names adopted often lacked serious linguistic credibility, and some appear questionable (the final "r" at the end of the name Myanmar makes sense only for a speaker of a non-rhotic dialect of English).