Marine Climate Survey Requirements Matrix (MCO 5100.29C)

Rev: 08/01/2019

Who	Website	Survey	When
Marine Ground Forces
MARFORCOM, MARFORPAC, MARFORRESCOM, MARFORSOC, MCCDC, MCLC, MCRC, MARCORSYSCOM, MEFs, MEBs, MEUs, MAWs, MLGs, MARDIVs, & Marine Regiments	GCASS	HHQ	within 90 days COC
			annually thereafter
O5-level (and below) ground organizations	GCASS	GCA	within 90 days of COC
* Note: Unit participation in MARFORPAC CCW can be used in lieu of GCA survey			annually thereafter
All Marine ground commanders (at all levels)	GCASS	All other surveys (e.g., PMV, MTRCYCL, D&D, OD&R, etc.)	at commander's discretion
Marine Aviation
MAWs, MAGs, MWSGs, MACGs, & PSDs	GCASS	HHQ	within 90 days of COC
			annually thereafter
	GCASS	All other surveys (e.g., PMV, MTRCYCL, D&D, OD&R, etc.)	at commander's discretion
All MWSG squadrons, all MACG squadrons, & all Marine Headquarters squadrons	GCASS	GCA	within 90 days of COC
			annually thereafter
	GCASS	All other surveys (e.g., PMV, MTRCYCL, D&D, OD&R, etc.)	at commander's discretion
All flying units, UAS, & aviation dets (with aircrew who operate the aircraft)	MCASS	CSA	within 30 days of COC
All flying units, UAS, MALS, & aviation dets with aircraft maintainers	MCASS	MCAS	within 30 days of COC
All flying units, UAS, MALS, & aviation dets (non-aircrew / non-maintainers)	MCASS	ASPA	within 30 days of COC
All flying units, UAS, MALS, aviation dets & aviation ground units	GCASS	All other surveys (e.g., PMV, MTRCYCL, D&D, OD&R, etc.)	at commander's discretion
All flying units, UAS, MALS, & aviation dets	One of the following:		annually thereafter
	A. CSA, MCAS, and ASPA
	B. Culture Workshop (CW)
	C. Informal site survey (internal or sister-unit)
	D. formal NSC safety site survey
Additionally:	A, B, C, or D (listed above) if:		as required
	1. change of aircraft model
	2. permanent change of operating base
	3. change of significant number of personnel in key billets