Since 1991, the gun charters specific services have included:

•  the provision of support vessels for the conduction of extended oceanographic and geophysical surveys
• environmental investigations
• oil spill contingency
• personnel transfer
• equipment transfer
• dive support
• shore logistics support 

Oceanographic services have included:

• deployment and recovery of current meters.
• wave-rider buoys and met stations
• real time current investigations through drogue tracking. 

Geophysical surveys have included:

• side-scan sonar
• bathymetry
• swathe bathymetry
• boomer
• sediment sample collection

Environmental investigations have included:

• support of intertidal, very shallow and deep water studies.
• benthic ecology
• water and sediment quality studies.