Information Exchange Under United States Antarctic Activities Articles III and VII(5) of the Modifications of Activities Planned for 2008-2009 ANTARCTIC TREATY II. Expedition Dates

II. Expedition Dates

Section II of the Modifications of Activities Planned for 2008-2009 lists the actual dates of significant events occurring during this time period.

Significant Dates of Expeditions

Date Activity 22-Mar-08 Cruise LMG08-03 8-Apr-08 Cruise LMG08-04 18-Apr-08 Cruise NBP 08-05 27-Apr-08 Cruise LMG08-06 28-May-08 Cruise LMG08-07 31-May-08 Cruise NBP 08-06 24-Jun-08 Cruise LMG08-08 10-Jul-08 Cruise NBP 08-08 13-Jul-08 Cruise LMG08-09 8-Aug-08 Cruise NBP08-09 USCG/ABS Inspections 13-Aug-08 Cruise LMG08-10 4-Sep-08 Winfly Begins 14-Sep-08 Cruise LMG08-11 Palmer Station Opening 10-Oct-08 Opening 11-Oct-08 Black Island Opening 15-Oct-08 Cruise LMG 08-12 18-Oct-08 Lake Hoare opening 19-Oct-08 Copacabana Opening 21-Oct-08 Opening

National Science Foundation Section II, page 1 Arlington, Virginia 22230 October 1, 2009 Information Exchange Under United States Antarctic Activities Articles III and VII(5) of the Modifications of Activities Planned for 2008-2009 ANTARCTIC TREATY II. Expedition Dates

Date Activity 24-Oct-08 Kenn Borek Basler (MKB) arrives McMurdo Station 24-Oct-08 Cape Shirreff Opens 26-Oct-08 Station begins summer operations using Basler aircraft (MKB) 26-Oct-08 Kenn Borek Twin Otter (KGB) arrives McMurdo Station 30-Oct-08 Camp opens 1-Nov-08 WAIS Divide opens 3-Nov-08 Opening 4-Nov-08 F6 Opening 10-Nov-08 Lake Bonney opening 12-Nov-08 Opening 14-Nov-08 Lower Erebus Hut camp put in 17-Nov-08 New Harbor opening 17-Nov-08 Kenn Borek Twin Otter (SJB) arrives McMurdo Station 18-Nov-08 Kenn Borek Twin Otter (CKB) arrives McMurdo Station 20-Nov-08 Cruise NBP 08-12 21-Nov-08 AGAP South camp put-in 1-Dec-08 Cruise LMG08-14 NSF Job Walk 14-Dec-08 Cruise NBP 08-13 NSF Job Walk 30-Dec-08 Cruise LMG 09-01 LTER Cruise 5-Jan-09 C-130 flights to McMurdo Station, operated by the Royal New Zealand Air Force, commenced (1 of 6) 5-Jan-09 Cruise NBP 09-01 21-Jan-09 AGAP South camp close 24-Jan-09 Cape Royds camp close 27-Jan-09 Lower Erebus Hut science group departure 29-Jan-09 Lower Erebus Hut closing 30-Jan-09 Cape Crozier Closing 3-Feb-09 New Harbor Closing 4-Feb-09 Lake Fryxell closing 4-Feb-09 F6 Closing 5-Feb-09 Lake Bonney closing National Science Foundation Section II, page 2 Arlington, Virginia 22230 October 1, 2009 Information Exchange Under United States Antarctic Activities Articles III and VII(5) of the Modifications of Activities Planned for 2008-2009 ANTARCTIC TREATY II. Expedition Dates

Date Activity 5-Feb-09 Siple Dome Camp closes 5-Feb-09 WAIS Divide Camp closes 6-Feb-09 Lake Hoare closing 6-Feb-09 M/V American Tern arrives at McMurdo Station, cargo offload commences 6-Feb-09 Black Island Closing 7-Feb-09 Siple Dome Camp closes 7-Feb-09 WAIS Divide Camp closes 11-Feb-09 Cruise LMG 09-02 12-Feb-09 M/V American Tern Departs McMurdo Station, cargo operations completed 15-Feb-09 Livingston Island Opens (MacPhee) 16-Feb-09 109th AW LC-130 begin departing McMurdo Station 16-Feb-09 James Opens (Kirschvink) 16-Feb-09 Winter operations commence at South Pole Station 17-Feb-09 109th AW LC-130, last aircraft departs McMurdo Station 18-Feb-09 Livingston closes (MacPhee) 22-Feb-09 Winter operations commence at McMurdo Station 6-Mar-09 Cruise NBP 09-02 10-Mar-09 Cape Shirreff closes 11-Mar-09 James Ross Island Closes (Kirschvink) 11-Mar-09 Copacabana closes 21-Mar-09 LMG09-03 22-Mar-08 Cruise LMG08-03 8-Apr-08 Cruise LMG08-04 18-Apr-08 Cruise NBP 08-05 27-Apr-08 Cruise LMG08-06 28-May-08 Cruise LMG08-07

Note: LMG = R/V Laurence M. Gould NBP = R/V Nathaniel B. Palmer

National Science Foundation Section II, page 3 Arlington, Virginia 22230 October 1, 2009