Waterford city, of Norse foundation and an important port and centre of trade, was a bridgehead for the Anglo-Normans in the 12th century.
Alexander believes the issue of Europe may be a bridgehead for Labour to build a stronger relationship with business so at least the voice of business will not be uniformly unwilling to support Labour as was the case in 2010 election.
Moreover, China's latest promise, plus the offer from Egypt to provide another 750 troops, has undercut Mr Bashir's assertion that any peacekeeping force would be a bridgehead for a hostile Western invasion.He has yet to accept the proposed full 20,000-man force, but other pressures are mounting.
How can Israel trust that the land it vacates is not used, as Gaza has been, as a bridgehead for further struggle?
And it's clear that Cruz is establishing a bridgehead for the lessons of Latin America to find new relevance across what was once an unbridgeable divide.
"The U.S. is a bridgehead in a global market for renewable assets," said Jonathan Johns, head of renewable energy at Ernst & Young.
And he's planning a second listing, in Hong Kong, which he says is a useful bridgehead for China mergers and acquisitions.
This weekend, state media quoted an unnamed Chinese foreign ministry official warning that some in Hong Kong were "colluding with foreign forces to cause trouble for the government", adding that their goal "was to turn the city into a bridgehead for subversion and infiltration against the country".
"Not only are they undermining Hong Kong's stability and development, but they're also attempting to turn Hong Kong into a bridgehead for subverting and infiltrating the Chinese mainland", the article said (in Chinese).
Their first move was to be securing a bridgehead across the Yser (Ijzer) canal.
