belly button
n.β Β«We also have reach-back capability when we go to the field, since weβre the space belly button for whoeverβs in the fieldβreach back to the SOC as it stands up and other space units.Β» ββDefense Department Spokesman Gives Briefing On Space Operations Speakers” by Keith Balts in Defense Department Political Transcripts by Federal Document Clearing House Feb. 17, 1998. (source: Double-Tongued Dictionary)