A further 14 Bushmasters were ordered in June 2009. The 158th Infantry Regiment ("Bushmasters") is an infantry unit of the Arizona National Guard. The "Bushmasters" arrived at Brisbane, Australia in late January 1943. In 2007, the Air Force modified four AC-130U gunships as test platforms for the Bushmasters. At this time six Dutch Bushmasters had been destroyed in Afghanistan. "Lachesis" is a genus of pit vipers sometimes called bushmasters. In September 2007, the regiment received 11 Bushmasters. Twelve of the Bushmasters were fitted with a Thales SWARM remote weapon station before delivery. Additional Bushmasters will be built to replenish the Australian inventory. This makes the total number of Bushmasters in service with the Australian military 1052. The Netherlands ordered additional Bushmasters on several occasions in 2007 and 2008. Hastie's men deployed to make the capture by Bushmasters, along with a Wakunish force element. Bushmasters prey primarily on rats and mice. Bushmasters lay eggs&colon; about a dozen in an average clutch. Bushmasters are sexually dimorphic in size, with males reaching larger sizes than females.