At 29:02 on Norman's computer monitor "liaison" is misspelled as "liason".
At 29:53 Norman's computer monitor has two spelling errors: "Da Nang" is misspelled "De Nang" and "Mannheim" is misspelled "Mannhiem". Then at 29:56 "Fort Benning" is misspelled "Benny" and "Mannheim" is once again misspelled "Mannhiem"