British submarines are described as watching Argentine task groups near their ports. The ability to reach those ships did not mean that an attack was permitted at the first opportunity. Political constraints limited action near Argentina. The example extends the distinction between possessing military capability and being able to use it in a particular conflict.
Notable Point · 2:27:33-2:28:10
Submarines near Argentine ports still faced political limits
The presence of British submarines near Argentine ports illustrates the political limits on technically possible attacks.