"Cas Pool 70th RD" is the 70th Replacement Depot Casual Pool, probably the last unit he was assigned to prior to returning home.Aircraft and ground crews were transfered to these pools at the end of their tour or duty while awaiting transfer back to the States.
"Airplane and Engine Mechanic 747" is his Military Occupation Speciality and it's code number.Every occupation in the military has a 3 or 4 digit code.
Medals: Good Conduct- for good service for at least 1 year during the war
"Makeservice" is probably EAME Service medal, awarded to all soldiers who seerved in the European Theatre during WWII. Six battle stars indicates the number of campaigns his unit served in (corresponds to the six campaigns-- Air Offensive Europe, Normandy, etc. listing)
Distinguished Unit Badge: A blue ribbon w/ gold border worn by everyone in a unit that received a special citation for valor.
Pre-Pearl Harbor: probably American Defense Ribbon, awarded to servicemen who served in the Army prior to America's entry in the war.
AM Badge: Aviation Mechanic qualification badge
Do you see anything in the paperwork that says BG or BS?Sounds like your dad was an aviation mechanic, and probably served with a bomb group in England repairing aircraft when they came back from their missions.He probably didn't get to see all the places mentioned in your message, but since his bomb group was active in each of the 6 campaigns mentioned he would get credit for "serving" in the campaigns.
379 might be his bomb group.If you do a google search for "379th bomb group" you'll pull up quite a few sites.