A poor day at Luton weather wise but not for airplanes. On this day there were no less than 5 Gulfstream II's in from 3M - Minnesota Mining & Manufacturing Company. Three are in this picture N33M and N73M plus one other from N23M, N43M and N83M. N33M was registered 10 Nov 1973. To N397LE in May 1988. To N226GA in Mar 1990. To N141JF on 01 Oct 2002. WFU at Chino. Last noted 27 Aug 2017. Registration cancelled on 02 Jan 2018 as broken up.