I daresay that NAS Lemoore, the UK bases you mentioned or any other major military bases don't have RPT A320s, B737s and E jets coming and going at semi-regular intervals
Do you really think that is the reason US/UK/NATO mil. airspace design is so different to the profligate nonsense in Australia ???
Excuses, excuses to justify the unjustifiable in Australia. Does it ever occur to all you proponents of the status quo that Dick might actually be right.
Tootle pip!!
PS: It ain't radar coverage, small mil. zones where there before widespread radar coverage --- before WW11.