Sgt. Mack tells Bilko that a certain flight will take him to Karachi, India; Karachi is in Pakistan, which had split from India 10 years earlier.
M/SGT Grover tells Bilko that in the movie, Around the World in 80 Days, that David Niven won a bet of $20,000. Actually, it was £20,000 which was $100,000 in 1872 and considerably more in 1957.