This study analyzes how the Labour government's stated objective that Britain should play a pivotal role in global security in the 21st century meshes with fundamental strategic principles and also with the constants of British security policy. Conventionally, the military aspects of this are embraced within a concept called "Operations Other Than War" (OOTW). But OOTW carries within it large smuggled assumptions: namely that we know what "war" is; hence that we know what is needed in order to deter and to conduct "war"; hence that we can draw a distinction between this and other military operations. The paper argues that a distinction between "war" and "other operations" is a false one. It advocates replacement of this confusing description with one that is more straightforward: Diplomatic/Military Operations (DMOs). Far from being peripheral, the careful planning and execution of such operations is of central importance, desired political outcomes and stated grand strategic objectives. The basis of current planning is shown to be flawed in this respect. The paper therefore sketches an alternative method of analysis and planning, which can help to achieve this congruence.