SES

Proper Noun

• Initialism of w:State Emergency Service, any of various [[state-based emergency service organisations, staffed by volunteers and operating within state legislation.
• Initialism of w:Senior Executive Service, a high-ranking position classification of the [[civil service (public service).
• Initialism of socioeconomic status; the economic and social position in relation to others, based on various factors such as income, occupation and education.

Noun

• Initialism of sustainer engine start or secondary engine start or second engine start