The Patriot missile homes on an electronic signal "painted" on the target by the radar, and relays its position in relation to the target back to the radar and on to the control centre.

BBC: Fact file: Patriot missile defence

The company is one potential target that has been on the radar of larger defense companies, a second industry source said.

FORBES: An increase in border security could result in more M&A

Larne goalkeeper Ryan Brown is another possible target on the the Warden Street club's radar.

BBC: Kevin Kelbie is on the move from Ballymena United