<P> The Portsmouth defences can be split into four distinct groups of forts , comprising four sea forts built in the Solent , a group of forts on Portsea Island , a group of forts along Portsdown Hill overlooking Portsmouth , and a group of forts on the Gosport peninsula . </P>
<P> The Portsmouth defences can be split into four distinct groups of forts , comprising four sea forts built in the Solent , a group of forts on Portsea Island , a group of forts along Portsdown Hill overlooking Portsmouth , and a group of forts on the Gosport peninsula . </P>
how many forts are there in the solent
how many forts are there in the solent
four
four