Often, we have situations where friendly foreign nations offer each other military aid. It is usually a scenario where a rich or powerful nation offers aid to a poorer, less powerful nation, as for example in the commonly cited case of the US government giving the Egyptian government regular military aid.
Firstly, we have scenarios where the military aid is given in the form of training. Trainers may be sent to the recipient countries. Alternatively, some states offer to train recipient countries in their military academies.
Secondly, we have scenarios where the military aid is given in the form of equipment.
Thirdly, we have scenarios where the military aid is given in the form of intelligence sharing.
Finally, we have scenarios where the military aid is given in the form of cash. This can, however, be controversial. There are some who say that the cash aid is prone to corruption. There are also others who say that the cash hence used could be better spent on programs for the vulnerable like, for instance, in financing purchase of medication for the poor. But then, it is argued that the expenditure on foreign military aid is important, because it helps in things like the protection of trade routes, which ensure that the wealth continues flowing.