principle of conservation of mass

principle of conservation of momentum

virtual mass / additional mass

conservation method

Helmholtz theorem on conservation of vortex lines

Helmholtz theorem on conservation of vortex strength

Thomson theorem on conservation of vortex lines

Zorawski theorem on conservation of vortex lines

away-from-home manning principle

operating principle

quantity-distance principle

territorial principle

principle of collective responsibility

principle of defense sufficiency

principle of solidarity

principle of subsidiarity

principle of territorial integrity

fire-out-of-battery principle

blowback principle

Archimedes principle

generalized Archimedes principle

principle of energy equipartition

principle of persistence of circulation

principle of persistence of irrotational flow

principle of solidification

Stevin principle

swinging gate principle

simplicity principle of war

pooling principle

Ad Hoc Steering Group on Weapons of Mass Destruction (NATO)

Alliance Policy Framework on Proliferation of Weapons of Mass Destruction

center mass

center mass hold