After 18 months in the making, the government’s Defence Investment Plan should have provided clarity on Britain’s military future. Instead, it obscures spending, repackages old announcements and delays the hard decisions until well into the next decade, writes defence expert Francis Tusa

The prime minister is expected to publish the Defence Investment Plan soon

The new defence investment plan has allocated £14.5bn to fund Britain’s defence, still falling well short of the £28bn officials previously said was needed