Also included were 1,200 men from the 1st Assault Battalion and "Loreto" Battalion (both drawn from the "Regia Aeronautica") two battalions of "San Marco" Marines (2,000 men) three battalions of Blackshirts (1,900 men) and 300 "Nuotatori" (a commando unit of "San Marco" marines specially trained in ocean swimming and beach assault).